DC properties dropped
Indicates directory property updates were dropped during replication.
Data collector
• Category: Performance Counters
• Name: NTDS DRA inbound properties filtered a second
• 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 NTDS\DRA Inbound Properties Filtered\second performance counter on the domain controller. If the value of the performance counter goes above the configured threshold for a period exceeding the configured duration, the agent sets this alert condition.
Resolution
• If the alert does not clear by itself in a reasonable amount of time, contact your Microsoft® Windows® support representative.
DC RID pool low
Data collector
• Category: General
• Name: Domain controller relative identifier (RID)
• 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.Description
Because each domain controller can create security principals, Active Directory® breaks the available range of RIDs into allocation pools that it assigns to each domain controller. Active Directory assigns one domain controller in each domain to be responsible for allocating RID pools to all of the other domain controllers in the domain; this is the RID Operations Master. When a domain controller uses up its allocation, it requests a new range from the RID Operations Master.
Resolution
DC SMB connections
Data collector
• Category: Performance Counters
• Name: Server sessions
• 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
Resolution
DC SYSVOL disk space
Data collector
• Category: General
• Name: SysVol details
• 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. 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
Resolution
Find the directory containing the SYSVOL information by checking the registry key \\HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NetLogon\Parameters and looking at the value for the Sysvol value. This is the path of the SYSVOL directory.
If files in the SYSVOL directory are using the disk space, remove as many of these files as you can.
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