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Active Administrator 8.5 - User Guide

Active Administrator Overview Certificates Security & Delegation  Active Directory Health
Switching to Active Directory Health Using the Active Directory Health landing page Installing Active Directory Health Analyzer agents Using the Active Directory Health Analyzer agent configuration utility Excluding domain controllers Managing the Remediation Library Analyzing Active Directory health Analyzing Azure Active Directory Managing Active Directory Health Analyzer alerts Managing alert notifications Pushing alerts to System Center Operations Manager and SNMP managers Managing monitored domain controllers Managing data collectors Active Directory Health Templates Managing Active Directory Health Analyzer agents Using the Troubleshooter Recovering Active Directory Health data
Auditing & Alerting Group Policy Active Directory Recovery Active Directory Infrastructure DC Management DNS Management Configuration
Using the Configuration landing page Managing tasks Defining role-based access Setting email server options Configuring SCOM and SNMP Settings Setting notification options Setting Active Template options Setting agent installation options Setting recovery options Setting GPO history options Setting certificate configuration Setting service monitoring policy Managing archive databases Migrating data to another database Setting a preferred domain controller Setting up workstation logon auditing Managing configuration settings Setting user options Managing the Active Directory server
Diagnostic Console Alerts Appendix
Domain controller alerts
Active Directory Certificate Services service is not running Active Directory Domain Services is not running Active Directory Web Services service is not running Consecutive replication failures DC cache hits DC DIT disk space DC DIT log file disk space DC LDAP load DC LDAP response too slow DC Memory Usage DC properties dropped DC RID pool low DC SMB connections DC SYSVOL disk space DC time sync lost Detected NO_CLIENT_SITE record DFS Replication service not running DFS service is not running DFSR conflict area disk space DFSR conflict files generated DFSR RDC not enabled DFSR sharing violation DFSR staged file age DFSR staging area disk space DFSR USN records accepted DFSRS CPU load DFSRS unresponsive DFSRS virtual memory DFSRS working set DNS Client Service is not running Domain controller CPU load Domain controller page faults Domain controller unresponsive File Replication Service is not running File replication (NTFRS) staging space free in kilobytes GC response too slow Group policy object inconsistent Hard disk drive Intersite Messaging Service is not running Invalid primary DNS domain controller address Invalid secondary DNS domain controller address KDC service is not running LSASS CPU load LSASS virtual memory LSASS working set Missing SRV DNS record for either the primary or secondary DNS server NETLOGON not shared NetLogon service is not running Orphaned group policy objects exist Physical memory Power supply Primary DNS resolver is not responding Secondary DNS resolver is not responding Security Accounts Manager Service is not running SRV record is not registered in DNS SYSVOL not shared W32Time service is not running Workstation Service is not running
Domain alerts Site alerts Forest alerts Azure Active Directory Connect alerts
Event Definitions PowerShell cmdlets

Viewing agent performance

Select Active Directory Health | Agents.
Open the Analyzer Agents tab.
Select More | Agent Performance.

Date & Time

Date and time of the log entry.

Agent health

Overall state of the agent.

Computer name

Name of the computer where the agent is installed.

Agent memory usage

Average amount of memory the agent is using.

Average CPU usage

Average amount of CPU usages the agent is using.

Average working set

Size of the average memory working set.

Peak working set

Size of the peak memory working set.

Average data points sent

Average number of data points sent to the Active Administrator server.

Managed active alerts

Number of collectors that are above the alert threshold.

Active collectors

Number of collectors running on the selected agent.


Number of domain controllers being monitored by the selected agent.

Recovered data points

Number of data points recovered because the agent could not connect to the Active Administrator server.


Forest where the domain controllers that the agent is monitoring reside.


Status of the agent. Indicates if the agent is Running or Stopped.

Monitoring mode

Indicates if the agent is monitoring a site only or is available for all domain controllers.

Agent type

Indicates if the agent monitors all domain controllers or a single domain controller.

Agent ID

ID of the selected agent.

Agent version

Version of the agent.

Update required

Indicates if the agent needs to be upgraded.

Failed load evaluation

Indicates if the agent failed during load evaluation, which means the domain controllers were not deployed to the agent.

Last heard from

Last time the agent was heard from.

Last error count

Last error count observed.

OS version

Version of the operating system that is running on the agent.

Connection pool size

Size of the server connection pool.

Active connections

Number of connections in use in the connection pool.

Disconnected connections

Number of connections that are disconnected in the connection pool.


Current agent health state.

Domain controllers

List of domain controllers the agent is monitoring.

Using the Troubleshooter

Use the Troubleshooter to run jobs on managed forests and domains.


Managing the DFSR service

You can start or stop the Distributed File System Replication (DFSR) service, start replication, poll Active Directory® for configuration updates, and enable/disable SYSVOL subscription.

Select Active Directory Health | Troubleshooter.
Open the Jobs tab.
Table 62.  


Forces Distributed File System (DFS) to poll Active Directory for configuration updates.

Start Replication

Starts replication from all replication partners for the specified domain controllers.

Start/Stop DFSR service

Start or stop the DFSR service on the specified domain controllers.

SYSVOL Subscription

Enable or disable SYSVOL Subscription on the specified domain controllers.

Click Next.
Click Next.
Click Finish.

Running the Directory Service Replication Troubleshooter

Run a replica consistency check against the selected domain controller and attempt to force a replication with any partners that failed. The replica consistency check mimics the functionality of Repadmin /kcc. The Knowledge Consistency Checker (KCC) generates its replication topology if required.

Select Active Directory Health | Troubleshooter.
Open the Jobs tab.
Double-click Directory Service Replication Troubleshooter.
Click Next.
Click Next.
Click Finish.
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