DFS-N: AD DS Site Support Table Initialization Monitor

  • ID:  Microsoft.Windows.FileServer.DFSN.6.2.Service.ADSiteSupportTableInitialization
  • Description:  This object monitors whether DFS Namespaces can initialize the site support table.
  • Target:  DFS Namespace Service (Windows Server 2012)
  • Enabled:  Yes

Operational States

Name State Description
EventRaised Warning  
ManualResetEventRaised Success  

Alert Details

Monitor State Message Priority Severity Auto Resolution
EventRaised (Warning) DFS-N: Could not initialize the site support table Medium Warning Yes

Run As Profiles

Name
Default

Monitor Knowledgebase

Summary

This object monitors whether DFS Namespaces can initialize the site support table by looking for the presence of DfsSvc event 14524 and creates a Warning alert if initialization fails.

Causes

The DFS Namespace service failed to contact a domain controller. This can occur for many reasons including:

  • Network connectivity issues

  • No domain controllers are currently available

Resolutions

Test network connectivity

To test network connectivity with the affected server, use the following procedure:

1. Open a command prompt window and then use the ping command to check basic network connectivity. If the ping command fails, it is likely that the server is not running, or has network problems that require local access to resolve. If ping is blocked in your network environment, skip this step.

2. If the ping command is successful, test the server’s registration in DNS by using the nslookup command. If the nslookup command fails, there is a problem with DNS. Check the DNS server health or contact the DNS server administrator.

3. If the nslookup command succeeds, it is likely that the shared folder is offline (possibly for maintenance) or there are problems with the permissions on the shared folder.

Restart the DFS Namespace service

If communication with a domain controller fails, or DFS metadata is inconsistent, restart the DFS Namespace service.

Note To restart a service, you must be a member of the local Administrators group on the affected server.

To restart the service, use the Services snap-in, the Windows PowerShell Start-Service and Stop-Service cmdlets, or command-line tools such as net stop and net start. To restart the service remotely by using the sc command, open a command prompt window and then do the following:

1.To stop the service, type the following command, where <ServerName> is the Universal Naming Convention (UNC) path to the remote server:

sc <ServerName> stop dfs

2.To confirm that the service is in the STOPPED state, type the following command:

sc <ServerName> query dfs

3.To restart the service, type the following command:

sc <ServerName> start dfs

Verification

To test communication with AD DS, use the dfsdiag /testdcs command. Confirm that all domain controllers report healthy results.

After you confirm that the namespace server can communicate with AD DS, reset the health state of this monitor to Healthy.

External References
This monitor does not contain any external references.

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