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Unified Communications Diagnostics 8.6.2 - User Guide

About Unified Communications Diagnostics Getting Started Using the Management Console Introducing Management Console health tests Health tests available from the Exchange organization node
About the Exchange-based health tests Exchange Server Health Test Prerequisites for Exchange Delivery Health Tests Exchange Internal Server Delivery Health Test Exchange Internal Mailbox Delivery Health Test Exchange External Message Delivery Health Test Exchange Modern Message Delivery Health Test Exchange Storage Health Test Exchange Queue Health Test Internal Outlook Web Access (OWA) Availability Health Test External Outlook Web Access (OWA) Availability Health Test Exchange Replication Health Test Exchange System Health Test Active Directory Account Lockout Health Test Exchange Online Connectivity Health Test Exchange Online Mailbox Logon Health Test Exchange Online Message Delivery Health Test Office 365 Subscription Health Test BlackBerry Server Health Test BlackBerry Message Delivery Health Test Creating test mailboxes for Exchange Adding health sets for Exchange System health tests Configuring Exchange impersonation for the Modern Message Delivery health test Registering UC Diagnostics with the Microsoft Azure portal
Health tests available from the Lync/Skype for Business Environment Resolving Problems with Native Tools Launching the Diagnostic Console from the Management Console Launching UC Analytics from the Management Console Diagnosing Problems using the Diagnostic Console UC Diagnostics: Exchange 2007 Diagnostic Console (Plug In) UC Diagnostics: Exchange 2010 Diagnostic Console (Plug In) UC Diagnostics: Exchange 2013 Diagnostic Console (Plug In) UC Diagnostics: Exchange 2016 Diagnostic Console (Plug In) UC Diagnostics: BlackBerry Diagnostic Console (Plug In) UC Diagnostics: OCS Diagnostic Console (Plug In) UC Diagnostics: Lync 2013 or Skype for Business 2015 Diagnostic Console (Plug In) Reporting Using Web Reports Counters with Non-Zero Alarm Values

Connections Panel

The Connections panel shows the current connection status on a Lync/Skype server.

 
Table 5. Lync/Skype connections panel.
Component
Description

Total Clients

The total number of active registered endpoints connected to this server.

IM Conference

Shows the number of instant messaging conferences on this server that are using the Instant Messaging Conferencing Unit (ImMcu).

AV Conference

Shows the number of active audio/video conferences on this server that are using the Audio Video Server (AVMCU) service.

AS Conference

Shows the number of active application sharing conferences on this server that are using the Application Sharing Server (ASMCU) service.

Enterprise Inbound Calls

The number of inbound enterprise voice calls currently in progress.

Enterprise Outbound Calls

The number of outbound enterprise voice calls currently in progress.

PCHAT Rooms

Shows the number of persistent chat sessions with active users on this server.

Mobile Clients

The number of currently active sessions with active presence subscriptions. You can drilldown to display more details about connections that are using Mcx (Mobility Service) or UCWA (Unified Communications Web API).

Web Components

The clients primarily talk SIP to the Lync/Skype server, or UCWA in the case of mobile which involves a web component, as does the client interaction with the address book.

This panel allows you to view how the server is processing incoming mobile messages. You can use this panel to determine if the server is too busy and is unable to process user requests in timely fashion.

 
Table 6. Lync/Skype web components panel.
Component
Description

AB Health State

Indicates the state of the Address Book file requests and search requests to the Lync 2013 or Skype for Business 2015 server. Click the component to display a drilldown that shows the status of the failed/succeeded Address Book file download requests rate and the Address Book Web Query failures rate.

AB Processing Time (ms)

Shows the average processing time for a successful Address Book file request (in milliseconds). Click the component to display a drilldown that shows the Address Book average processing time (ms) and the Address Book Web Query average processing time (ms).

Web Req Queue

Indicates number of current application requests.

This value can grow if the application is overloaded due to a large number of requests. The number can also represent requests that are waiting on other services to respond or software errors that result in no response.

HTTP Proxy Requests

Shows the number of HTTP proxy requests that are pending for completion.

SIP Stack

SIP Stack

The clients primarily talk SIP to the Lync/Skype server, or UCWA in the case of mobile which involves a web component, as does the client interaction with the address book.

This panel allows you to view how the server is processing SIP messages. You can use this panel to determine if the server is too busy and is unable to process user requests in timely fashion.

 
Table 7. Lync/Skype SIP stack panel.
Component
Description

Msg Hold Time (s)

The average time that the server held the incoming SIP messages currently being processed. A healthy system should have a hold time of less than 3 seconds.

Msg Processing Time (s)

The average time (in seconds) it takes to process an incoming SIP message.

Msg Timed Out

The number of incoming SIP messages currently being held by the server for processing for more than the maximum tracking interval.

Outgoing Queue Delay

The average time (in seconds) for messages delayed in the outgoing (send) queues. The server will drop client connections if it is throttled and messages stay in the outgoing queue for more than 20 seconds.

Use this indicator to determine if the destination of the connection is overloaded or if network bandwidth to the destination is insufficient.

Lync/Skype Server Health Panel

The Server Health panel displays information about Lync/Skype and IIS services, and shows the availability and status of various services on the server. This panel includes:

 
Table 8. Lync/Skype server health panel.
Component
Description

Lync/Skype Services

Indicates the status of the Lync/Skype services that are set as required on this server. It will set an alarm if any of the required services are not currently running.

The spinner shows the CPU percentage that is used by the Lync/Skype services running on this server.

IIS Service

Shows the status of Internet Information Services (IIS) on the this server (running, stopped, or service is not installed).

The spinner shows the CPU percentage that is used by IIS running on this server.

MCU Health State

Indicates the current health of application sharing conferences, audio/video (A/V) conferences, data conferences, and instant messaging (IM) conferences.

CMS Replication

Indicates whether the Central Management Store (CMS) replication for this server is up-to-date.

MCU Allocation Latency (ms)

This indicates the average time (in milliseconds) that it takes to complete a full MCU allocation request. If the value is high, it might be a temporary situation if the MCU factory or MCU or back-end is busy and does not respond immediately.

Database Queue Latency (ms)

Indicates the average time (in milliseconds) that a request is held in the request queue that is going to the back-end database. If the topology is healthy, this value averages less than 5000 ms. Occasional spikes are acceptable.

Create Conference Latency (ms)

This indicates the average time (in milliseconds) that it takes to complete a create conference call. If the value is high, it might be a temporary situation if the MCU or back-end is busy and does not respond immediately

Storage Service Database

Shows the current percentage of space that is used by the Storage Service database.

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