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weberchFlag for Switzerland asked on

DFS hangs our Domain Controllers

Hi,

We got two Windows 2008 SP2 vitrualized under Vmware that hangs sometimes.
This issue never appears before DFS has been installed on our server.
In fact one time or twice per week, one of our two DCs hangs. They are still ansering the ping, we can connect on RDP and try to logon but server hangs with the "Welcome" screen and AD DFS, DNS,...became unstable.
Does anyone got this issue ?
Is it a Microsoft issue or it seems to be a Vmware issue ?
Thanks for your help.
Active Directory

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weberch

8/22/2022 - Mon
ASKER
weberch

dfsdiag and dcdiag does not any errors.
Emmanuel Adebayo

Hi,

I think the issue you are having is that you have not configure DFS to use fully qualified domain names in referrals, (Set this on your DC)

Enable the DFSN FQDN root referral behavior. To do this, use one of the following methods:

    Set-DfsnServerConfiguration –ComputerName <ServerName> –UseFqdn $true

    Dfsutil.exe server registry dfsdnsconfig set <ServerName>

http://support.microsoft.com/kb/244380
Sandesh Dubey

Check the event log when the server hangs you may get evidence to troubleshott further.Perfrom the diagnosis test like dcdiag /q,dfsr health report form DFS console,check the perfromance of server,network,etc.

Also have look at this link
Top 10 Common Causes of Slow Replication with DFSR
http://blogs.technet.com/b/askds/archive/2007/10/05/top-10-common-causes-of-slow-replication-with-dfsr.aspx

Ensure correct dns setting is configured on DC and member servers:
Best practices for DNS client settings on DC and domain members.
http://abhijitw.wordpress.com/2012/03/03/best-practices-for-dns-client-settings-on-domain-controller/

Ensure that latest dfsr patches and windows update are installed and Antivirus defination is also update.

List of currently available hotfixes for Distributed File System (DFS) technologies in Windows Server 2008 and in Windows Server 2008 R2
http://support.microsoft.com/kb/968429
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James Murphy
ASKER
weberch

We are not using DFS Replication and there is no evidence on the Logs.
ASKER CERTIFIED SOLUTION
weberch

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ASKER
weberch

The issue has been fixed by Microsoft after a long time and analyze.