Foglight for Exchange 5.7.2.3 - User and Reference Guide

This view appears when Client Access is selected on the Exchange Server Roles view and displays the following metrics for the selected Exchange server. The counters and metrics indicators in this view change colors based on overall consumption and deviation from normal levels.

OWA Average Search Time. This button displays the calculated OWA average search time over the specified time interval.

OWA Average Response Time. This button displays the calculated OWA average response time over the specified time interval.

OWA Average Search & Response Times. This graph charts the following metrics over the specified time interval:

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Average Response Time. Shows the average response time.

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Average Search Time. Shows the average search time.

Peak Number of OWA Users. This metrics indicator shows the largest number of users that were simultaneously connected to Outlook Web Access since the process was last restarted.

Number of OWA Users. This graph charts the following metrics over the specified time interval:

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Current OWA Users. Shows the number of users who are currently logged on to Outlook Web Access.

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Current Unique OWA Users. Shows the number of unique users who are currently logged on to Outlook Web Access.

ASP.NET Requests. This graph charts the following metrics over the specified time interval:

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Current Requests. Shows the current number of ASP.Net® requests on the selected server.

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Requests in Application Queue. Shows the number of ASP.NET application requests in the Application Queue on the selected server.

OWA Logons/sec. This graph charts the number of Outlook Web Access user sessions that are created each second over the specified time interval.

OWA Requests/sec. This graph charts the following metrics over the specified time interval:

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Requests/sec. Shows the number of OWA requests made per second.

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Failed Requests/sec. Shows the number of OWA requests that failed per second.

Web Services Request/sec. This graph charts the number of web service requests processed per second. It provides a comparison against the computed average over the specified time interval.

Availability Requests/sec. This graph charts the number of availability requests serviced per second. It provides a comparison against the computed average over the specified time interval.

Clicking a graph in this view displays a metrics popup that describes the counter, provides more detailed data points, and lists current alarms for the selected metric.

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Table 63. Exchange Server Roles view - Client Access - IIS Health view

This view appears when Client Access is selected on the Exchange Server Roles view and displays a list of the metrics related to IIS health that are being collected on the selected Exchange server.

Metrics Trend. This list displays the metrics being collected. It also displays the current state, a trend line graph and the current value for each metric. The metrics being collected include:

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HTTP Connections. Shows the current number of connections established with the web service.

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Connection Attempts/sec. Shows the rate at which connections to the web service are being attempted.

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ISAPI Extension Requests/sec. Show the rate at which Internet Sever API (ISAPI) extension requests are received by the web service.

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Other Request Methods/sec. Shows the rate at which HTTP requests are being made.

Clicking a entry in this list displays a metrics popup that describes the counter, provides more detailed data points, and lists current alarms for the selected metric.

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Table 64. Exchange Server Roles view - Client Access - ActiveSync view

This view appears when Client Access is selected on the Exchange Server Roles view and displays a list of the metrics related to the ActiveSync service on the selected Exchange server.

Top Exchange ActiveSync Users. This list displays the following details for each user:

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Send Emails. Shows the number of emails sent.

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Receive Emails. Shows the number of emails received.

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Date. Shows the data collection date.

N/A

Table 65. Exchange Server Roles view - Edge Transport - Transport Queues view

This view appears when Edge Transport is selected on the Exchange Server Roles view and displays the following transport queue metrics for the selected server.

NOTE: The messages in this queue are not automatically resubmitted or removed.

Submission Queue Length. This graph charts the number of messages in the submission queue waiting to be processed for delivery. The Submission queue is used by the categorizer to gather all messages that have to be resolved, routed, and processed by transport agents.

Unreachable Queue Length. This graph charts the number of messages in the unreachable queue. The Unreachable queue contains messages that cannot be routed to their destinations.

Poison Queue Length. This graph charts the number of messages in the poison queue. The poison message queue is a special queue, used to isolate messages that are determined to be harmful to the Exchange system after a transport server or service failure.

NOTE: The messages in this queue are not automatically resubmitted or removed.

Active Mailbox Delivery Queue Length. This graph charts the number of messages in the active Mailbox delivery queues.

Active Non-SMTP Delivery Queue Length. This graph charts the number of items in the active Non-SMTP queues. Non-SMTP Delivery Queue is associated with the queue for Foreign Connectors. A Foreign Connector is added by using the new-ForeignConnector cmdlet or by a third-party Exchange application.

Retry Mailbox Delivery Queue Length. This counters displays the number of messages currently in the retry mailbox delivery queue. Messages in this queue are in a retry state because an issue prevented their delivery.

Clicking a graph or counter in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Table 66. Exchange Server Roles view - Edge Transport - Transport Databases view

This view appears when Edge Transport is selected on the Exchange Server Roles view and displays the following metrics about the transport mail database for the selected server.

Log Threads Waiting. This graph charts the number of threads waiting for their data to be written to the log in order to complete the database update.

Log Generation Checkpoint Depth. This graph charts the number of transaction log files that have not yet been saved to the database. This number represents the number of transaction log files that must be replayed to the database if the Microsoft Exchange Information Store service process (Store.exe) stops and needs to be restarted.

Log Record Stalls/sec. This graph charts the number of log records that cannot be added to the log buffers each second because the log buffers are full.

I/O Log Reads/sec. This counter displays the rate at which bytes are read from the log.

I/O Log Writes/sec. This counter displays the rate at which bytes are written to the log.

Version Buckets Allocated. This counter displays the number of buckets of version store memory that are currently being used. A version bucket is a 16 kilobyte (KB) chunk of the version store. The version store is an allocation of memory where database transactions are held, until they can be written to disk.

I/O Database Reads/sec. This counter displays the rate at which bytes are read from the database.

I/O Database Writes/sec. This counter displays the rate at which bytes are written to the database.

Database Cache Size MB. This counter displays the amount of system memory used by the database cache manager to hold commonly used information from the database files to prevent file operations.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Table 67. Exchange Server Roles view - Edge Transport - SMTP Receive and Transport Load view

This view appears when Edge Transport is selected on the Exchange Server Roles view and displays the following metrics about the SMTP server and about the transport load.

SMTP Receive: Messages Received/sec. This graph charts the number of messages received by the SMTP server each second.

SMTP Receive: Average bytes/message. This graph charts the average number of message bytes per inbound message received.

SMTP Send: Messages Sent/sec. This graph charts the number of messages sent by the SMTP send connector each second. It provides a comparison against the computed average for the specified time interval.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Table 68. Exchange Server Roles view - Edge Transport - Transport Agents and Rules view

Data displayed for Agents

This view appears when Edge Transport is selected on the Exchange Server Roles view and displays the following metrics for the selected Exchange server.

Average Agent Processing Time. This graph charts the average agent processing time per event.

Sender ID Agent DNS Queries/sec. This graph charts the number of DNS queries performed by the Sender ID agent per second.

Average Agent Processing Time/sec. For each extensibility agent, this counter displays the average agent processing time per second.

Data displayed for Transport Rules

Messages Evaluated/sec. This counter displays the number of messages the rule has evaluated per second.

Messages Processed/sec. This counter displays the number of messages the rule has processed per second.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Clicking a counter in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 69. Exchange Server Roles view - Hub Transport - Transport Queues view
Description	This view appears when Hub Transport is selected on the Exchange Server Roles view and displays the following transport queue metrics for the selected server.
Data displayed	Submission Queue Length. This graph charts the number of messages waiting to be processed for delivery. The Submission queue is used by the categorizer to gather all messages that have to be resolved, routed, and processed by transport agents.
	Unreachable Queue Length. This graph charts the number of messages in the unreachable queue. These messages are not automatically resubmitted or removed. The Unreachable queue contains messages that cannot be routed to their destinations.
	Poison Queue Length. This graph charts the number of messages in the poison queue. These messages are not automatically resubmitted or removed. The poison message queue is a special queue, used to isolate messages that are determined to be harmful to the Exchange system after a transport server or service failure.
	Active Mailbox Delivery Queue Length. This graph charts the number of messages waiting to be retried for delivery to a Mailbox server. Active Mailbox Delivery Queue Length is the number of items in the active mailbox queues.
	Active Non-SMTP Delivery Queue Length. This graph shows the number of messages in the active Non-SMTP queues. Active Non-SMTP Delivery Queue Length is the number of items in the active Non-SMTP queues. Non-SMTP Delivery Queue is associated with the queue for Foreign Connectors. A Foreign Connector is added by using the new-ForeignConnector cmdlet or by a third-party Exchange application.
	Retry Mailbox Delivery Queue Length. This graph shows the number of messages in the retry mailbox delivery queues. The Retry Mailbox Delivery Queue Length performance counter measures the number of messages currently in the retry mailbox delivery queue. Messages in this queue are in a retry state because an issue prevented their delivery.
Where to go next	Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 70. Exchange Server Roles view - Hub Transport - Transport Databases view
Description	This view appears when Hub Transport is selected on the Exchange Server Roles view and displays the following metrics about the transport databases for the selected server.
Data displayed	Log Threads Waiting. This graph charts the number of threads waiting for their data to be written to the log in order to complete the database update.
	Log Generation Checkpoint Depth. This graph charts the number of transaction log files that have not yet been saved to the database. This number represents the number of transaction log files that must be replayed to the database if the Microsoft Exchange Information Store service process (Store.exe) stops and needs to be restarted.
	Log Record Stalls /sec. This graph charts the number of log records that cannot be added to the log buffers each second because the log buffers are full.
	I/O Log Reads/sec. This counter shows the rate at which bytes are read from the log.
	I/O Log Writes/sec. This counter shows the rate at which bytes are written to the log.
	Version Buckets Allocated. This counter show the total number of buckets of version store memory that are currently being used. A version bucket is a 16 kilobyte (KB) chunk of the version store. The version store is an allocation of memory where database transactions are held until they can be written to disk.
	I/O Database Reads/sec. This counter shows the rate at which bytes are read from the database.
	I/O Database Writes/sec. This counter shows the rate at which bytes are written to the database.
	Total Database Cache Size in MB. This counter shows the amount of system memory used by the database cache manager to hold commonly used information from the database files to prevent file operations.
Where to go next	Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 71. Exchange Server Roles view - Hub Transport - SMTP Receive and Transport Load view
Description	This view appears when Hub Transport is selected on the Exchange Server Roles view and displays the following metrics about the SMTP server.
Data displayed	SMTP Receive: Messages Received/sec. This graph charts the number of messages received by the SMTP server each second.
	SMTP Receive: Average bytes/message. This graph charts the average number of bytes for each inbound message received.
	SMTP Send: Messages Sent/sec. This graph charts the number of messages sent by the SMTP send connector each second.
Where to go next	Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 72. Exchange Server Roles view - Mailbox - Information Store view

This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following metrics regarding the Information Store on the selected Exchange server.

RPC Operations/sec. This graph charts the rate at which RPC operations are occurring over the specified time interval. It provides a comparison against the computed average for the selected time interval.

RPC Requests. This graph charts the number of client requests that are currently being processed by the information store over the specified time interval. It provides a comparison against the fatal, critical and warning threshold levels

RPC Averaged Latency. This graph charts the server’s RPC latency averaged for the past 1,024 packets for a particular client protocol. It provides a comparison against the computed average for the selected time interval.

RPC Number of Slow Packets. Shows the number of RPC packets in the past 1,024 packets that have latencies longer than two seconds.

NOTE: This metric is deprecated for Exchange 2013 servers.

RPC Failed Server Too Busy/sec. Shows the client-reported number of failed RPCs due to the Server Too Busy RPC error.

NOTE: This metric is deprecated for Exchange 2013 servers.

RPC Client Backoff/sec. Shows the rate at which the server notifies the client to back off.

NOTE: This metric is deprecated for Exchange 2013 servers.

Active Connection Count. Shows the number of client processes connected to the information store.

Connection Count. Shows the number of connections that have shown some activity in the last 10 minutes.

NOTE: This metric is deprecated for Exchange 2013 servers.

Top 10 Mailbox Consumers. This list displays the following details for each user:

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User. User name.

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Server Name. Exchange server name.

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Database Name. Exchange database name.

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Total Item Size. Mailbox size.

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Total Deleted Item Size. Size of deleted emails.

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Item Count. Number of emails in the mailbox.

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Deleted Item Count. Number of deleted emails in the mailbox.

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Date. Date when data was collected.

Store Transport.This list displays the following details for each Exchange Mail Submission instance:

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Mail Submission Name. Shows the name of the Exchange Mail Submission instance.

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Failed Submissions/sec. Shows the number of message submissions that have failed per second.

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Successful Submissions/sec. Shows the total number of successful message submissions to the Hub Transport server per second.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Table 73. Exchange Server Roles view - Mailbox - Databases view

This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following metrics regarding the databases on the selected Exchange server.

Database Overview. Displays the following metrics:

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IS Database Cache Size MB. This counter displays the amount of system memory being used by the database cache manager to hold commonly used information from the database file to prevent file operations.

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Database Cache Percent Hit. This counter displays the percentage of database file page requests that were fulfilled by the database cache without causing a file operation.

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Database Page Fault Stalls/sec. This counter displays the rate at which the database file page requests require the database cache manager to allocate a new page from the database cache.

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Version Buckets Allocated. This counter displays the total number of version buckets allocated.

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Log Record Stalls/sec. This counter displays the number of log records that cannot be added to the log buffers per second because the log buffers are full.

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Log Threads Waiting. This counter displays the number of threads waiting for their data to be written to the log to complete an update of the database.

Exchange 2007 Storage Groups and Databases table. This list displays the storage groups and mailbox databases for the selected Exchange 2007 server. The following details are displayed for each entry:

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Name. The name assigned to the storage group or database.

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Size. The current size of the storage group or database.

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Mailboxes. The number of mailboxes in the storage group or database.

Selecting a storage group or database from this list populates the metrics in the lower pane (Exchange 2007 Storage Group or Exchange 2007 Mailbox Database).

Exchange 2007 Storage Group. Displays the following metrics for the selected storage group:

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Storage Group Size. Shows the storage group’s size and remaining free space.

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Transaction Logs Size. Shows the size and remaining free space of the storage group’s transaction logs.

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Log Generation Checkpoint Depth. Shows the number of transaction log files that have not been saved yet to the database. This number represents the number of transaction log files that must be replayed to the database if the Microsoft Exchange Information Store service process (Store.exe) stops and needs to be restarted.

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I/O Database Reads Average Latency. Shows the average length of time, in milliseconds, per database read operation.

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I/O Database Writes Average Latency. Shows the average length of time, in milliseconds, per database write operation.

Exchange 2007 Mailbox Database. Displays the following metrics for the selected mailbox database:

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Store Size. Shows the store’s size and remaining free space.

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Active Client Logons. Shows the number of clients that performed any action within the last ten minutes.

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Client Logons. Shows the number of clients (including system processes) currently logged on.

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Send Queue. Shows the lengths of the store’s send queue.

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Receive Queue. Shows the lengths of the store’s receive queue.

Exchange 2010, 2013, 2016 Databases table. This list displays the databases for the selected Exchange 2010 or 2013 server. The following details are displayed for each entry:

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Database Name. The database name.

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Mounted. The current database status (true or false).

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Size. The current size of the database.

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Mailboxes. The number of mailboxes in the database.

Selecting a database from this list populates the metrics in the lower pane (Exchange 2010, 2013, 2016 Mailbox Database).

Exchange 2010, 2013, 2016 Mailbox Database. Displays the following metrics for the selected mailbox database:

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Store Size. Shows the store’s size and remaining free space.

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Transaction Logs Size. Shows the size and remaining free space of the storage group’s transaction logs.

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I/O Database Reads Average Latency. Shows the average length of time, in milliseconds, per database read operation.

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I/O Database Writes Average Latency. Shows the average length of time, in milliseconds, per database write operation.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

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Table 74. Exchange Server Role view - Mailbox - Store Client Instances and Transport view

This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following metrics about the mailbox stores on the selected server.

Store Client Instance. This list displays the following details for each store client instance in the store database:

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Store Client Instance Name. Displays the name of the client instance.

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RPC Average Latency. Shows a server RPC latency averaged for the past 1,024 packets for a particular client protocol.

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RPC Operations/sec. Indicates the overall RPC operations that are occurring per second.

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LDAP Reads/sec. Shows the current rate at which LDAP reads occur while processing requests for the client. Used to determine the current LDAP read rate per protocol.

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LDAP Searches/sec. Shows the current rate at which LDAP searches occur while processing requests for the client.

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Jet Log Records/sec. Shows the rate at which database log records are being generated while processing requests for the client.

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Jet Pages Read/sec. Shows the rate at which database pages are read from disk while processing requests for the client.

N/A

Table 75. Exchange Server Role view - Mailbox - Hub Transport view
Description	This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following transport metrics for the selected server. NOTE: For Exchange 2013 and 2016 servers only.
Data displayed	Transport Queues tab. For details, see Exchange Server Roles view - Hub Transport - Transport Queues view.
	Transport Database tab. For details, see Exchange Server Roles view - Hub Transport - Transport Databases view.
	SMTP Send and Receive Load tab. For details, see Exchange Server Roles view - Hub Transport - SMTP Receive and Transport Load view.
Where to go next	Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 76. Exchange Server Role view - Mailbox - UM Availability view

This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following metrics about the mailbox stores on the selected server.

NOTE: For Exchange 2013 and 2016 servers only.

Directory Access Failures. This graph charts the number of times attempts to access Active Directory® failed. It provides a comparison against the computed average for the specified time interval.

Total Inbound Calls Rejected. This graph charts the following metrics over the specified time interval:

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Total Inbound Calls Rejected by the UM Service. Shows the total number of incoming calls that were rejected by the Microsoft® Exchange Unified Messaging service.

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Total Inbound Calls Rejected by the UM Worker Process. Shows the total number of incoming calls that were rejected by the UM Worker process.

Operations over Six Seconds. This counter displays the number of all UM operations that took more than six seconds to complete. This is the time during which a caller was waiting for Unified Messaging to respond.

Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 77. Exchange Server Role view - Mailbox - OWA view
Description	This view appears when Mailbox is selected on the Exchange Server Roles view and displays the following metrics about the selected server. NOTE: For Exchange 2013 and 2016 servers only.
Data displayed	For details, see Exchange Server Roles view - Client Access - OWA view
Where to go next	Clicking a graph in this view displays a metrics popup that describes the counters, provides more detailed data points, and lists current alarms for the selected metric.

Table 78. Exchange Server Roles view - Unified Messaging - UM Availability view

This view appears when Unified Messaging is selected on the Exchange Server Roles view and displays the following availability metrics for the selected Exchange server.

Access Failures. This graph charts the following metrics over the specified time interval:

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Hub Transport Access Failures. Shows the number of times the attempts to access a Hub Transport server failed.

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Mailbox Server Access Failures. Shows the number of time the system did not access a Mailbox server.

NOTE: Applies to Exchange Server 2007 only.

Directory Access Failures. This graph charts the number of times attempts to access Active Directory® failed. It provides a comparison against the computed average for the specified time interval.

Call Answer Queued Messages. This counter displays the number of voice messages or missed calls submitted from the bridgehead server or Hub Transport server.

NOTE: Applies to Exchange Server 2007 only.

Unhandled Exceptions/sec. This counter displays the number of unhandled exceptiones that occurred per second.

NOTE: Applies to Exchange Server 2007 only.

Total Inbound Calls Rejected. This graph charts the following metrics over the specified time interval:

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Total Inbound Calls Rejected by the UM Service. Shows the total number of incoming calls that were rejected by the Microsoft® Exchange Unified Messaging service.

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Total Inbound Calls Rejected by the UM Worker Process. Shows the total number of incoming calls that were rejected by the UM Worker process.

NOTE: Applies to Exchange Server 2010 and 2013.

NOTE: Applies to Exchange Server 2010 only.