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Active Administrator 8.7 - User Guide

Active Administrator Overview User Provisioning 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

DFSRS unresponsive

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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Required permissions: When monitored locally, only domain user privilege is required. When monitored remotely, the target server must have WMI remote access enabled and the user must be a member of the Distributed COM Users group.
Description

The Directory Analyzer agent periodically checks to ensure that the DFS Replication Service (DFSRS) is responsive. If the DFSRS is unresponsive while listed as running in the services list, the alert condition is set.

Resolution

Review the system configuration and tune the environment to optimize the DFS Replication Service (DFSRS). To do this, review the event logs for DFSRS-related errors and warnings and validate that sufficient resources are available.

DFSRS virtual memory

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Alerts Appendix > Domain controller alerts > DFSRS virtual memory

DFSRS virtual memory

Indicates that the virtual memory allocated to the Distributed File System Replication Service (DFSRS) is too high.

Data collector
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Category: Performance Counters
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Name: DFSRS private bytes
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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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Required permissions: When monitored locally and remotely, only domain user privilege is required and the user must be a part of the Performance Logs user group.
Description

The Directory Analyzer agent monitors the DFSRS private bytes performance counter on the domain controller for the DFS Remote Service. If the value in the performance counter goes above the configured threshold for a period exceeding the configured duration, the agent will set this alert condition.

Resolution

Review the system configuration and tune the environment to optimize DFSRS performance as described in these references:

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https://blogs.technet.microsoft.com/askds/2010/11/01/common-dfsr-configuration-mistakes-and-oversights/

DFSRS working set

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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Required permissions: When monitored locally and remotely, only domain user privilege is required and the user must be a part of the Performance Logs user group.
Description

The Directory Analyzer agent monitors the DFSRS working set performance counter on the domain controller for the DFSR service. If the value in the performance counter goes above the configured threshold for a period exceeding the configured duration, the agent will set this alert condition.

Resolution

Review the system configuration and tune the environment to optimize DFSRS performance as described in these references:

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https://blogs.technet.microsoft.com/askds/2010/11/01/common-dfsr-configuration-mistakes-and-oversights/

DNS Client Service is not running

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Alerts Appendix > Domain controller alerts > DNS Client Service is not running

DNS Client Service is not running

Indicates the DNS Client Service is currently not running on the domain controller.

Data collector
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Category: Windows Services
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Name: DNS Client
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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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Required permissions: When monitored locally or remotely, domain administrator privilege is required.
Description

The Directory Analyzer agent periodically checks to ensure DNS Client Service is running.

Resolution

Use the Services MCC snap-in or another SCP application to restart the DNS Client Service.

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