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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

DFSR conflict area disk space

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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

If the ConflictAndDeleted folder runs out of space, DFS Replication removes older conflicting or deleted files to free up disk space, which might temporarily decrease replication performance.

If a staging folder quota is configured to be too small, DFS Replication might consume additional CPU and disk resources to regenerate the staged files. Replication might also slow down because the lack of staging space can limit the number of concurrent transfers with partners. Increasing the size of the staging folder and the ConflictAndDeleted folder can increase replication performance and the number of recoverable conflicting and deleted files.

Resolution

Delete files from the ConflictAndDeleted folder or increase the quota of the ConflictandDeleted folder for the appropriate replicated folder(s).

Related article

https://msdn.microsoft.com/en-us/library/cc754229(v=ws.11).aspx

DFSR conflict files generated

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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

Monitoring this performance counter enables administrators to keep track of the number of replication conflicts generated for replicated folders on the monitored computer. Monitoring the space utilization of the Conflict and Deleted area helps ensure that there is enough space to store replication conflicts and files deleted from replicated folders on the monitored computer. You can view a log of conflict files and their original file names by viewing the ConflictandDeletedManifest.xml file in the DfsrPrivate folder.

Frequent conflicts indicate that files in a replicated folder are frequently being modified on multiple servers in a short period.

Resolution

In general, resolution of this alert condition involves deciding whether a conflict object contains useful information, moving that information into a different directory object, and then deleting the object. Determining whether the conflict object has any useful information is up to you, the administrator.

DFSR RDC not enabled

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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

Remote Differential Compression (RDC) only updates changes to files, which is useful when replicating across a wide area network.

Resolution

Enable Remote Differential Compression.

DFSR sharing violation

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Supported on: Windows Server 2016, Windows Server 2019, and Windows Server 2022
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 DFRS debug log for reports of sharing violations. If the sharing violation exists for a period exceeding the configured duration, the agent sets this alert condition.

One possibility for the sharing violation is that other sources may have opened the file to be replicated on the target computer.

Another possibility for a sharing violation is that other sources have open handles to the file to be replicated. Typically, programs that can instigate sharing violations are:

Resolution
Related article

https://support.microsoft.com/en-us/help/822300/frs-encounters-error-sharing-violation-errors-when-it-tries-to-replicate-data-that-is-still-in-use

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