I cannot log into the Lync Administration Control Panel or admin URL.  It worked initially but now fails with :Cannot
Remote PowerShell cannot create InitialSessionState for user: .... Cause of failure: Cannot find any global catalogs in forest....
Cause: Remote PowerShell can fail to create InitialSessionState for varied number of reasons. Please look for other events that can give some specific information.
Resolution:
Follow the resolution on the corresponding failure events.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="LS Remote PowerShell" />

Some new domain controllers have been added recently.

Hi

Please try to check if you are able to connect to the DC first form the Lync server.

I can ping both domain controllers in the site.

Run the Lync Deployment Wizard from the Lync server and check if "Prepare Active Directory" is still shown as Complete.

• Edited by Michael LaMontagneMVP Monday, May 13, 2013 2:14 PM

Run the Lync Deployment Wizard from the Lync server and check if "Prepare Active Directory" is still shown as Complete.

• Edited by Michael LaMontagneMVP Monday, May 13, 2013 2:14 PM

Run the Lync Deployment Wizard from the Lync server and check if "Prepare Active Directory" is still shown as Complete.

• Edited by Michael LaMontagneMVP Monday, May 13, 2013 2:14 PM

Run the Lync Deployment Wizard from the Lync server and check if "Prepare Active Directory" is still shown as Complete.

• Edited by Michael LaMontagneMVP Monday, May 13, 2013 2:14 PM

When I run the Lync 2010 Deployment Wizard it indicates that Prepare Active Directory is not completed.  This was run successfully in the past.  When I open the Active Directory Preparation' View, an error is returned under Prepare Schema:  Not Available:  Failure occurred while attempting to check the schema state.  Please ensure Active Directory is reachable.

• Edited by vtrevor Monday, May 13, 2013 3:23 PM

When I run the Lync 2010 Deployment Wizard it indicates that Prepare Active Directory is not completed.  This was run successfully in the past.  When I open the Active Directory Preparation' View, an error is returned under Prepare Schema:  Not Available:  Failure occurred while attempting to check the schema state.  Please ensure Active Directory is reachable.

• Edited by vtrevor Monday, May 13, 2013 3:23 PM

When I run the Lync 2010 Deployment Wizard it indicates that Prepare Active Directory is not completed.  This was run successfully in the past.  When I open the Active Directory Preparation' View, an error is returned under Prepare Schema:  Not Available:  Failure occurred while attempting to check the schema state.  Please ensure Active Directory is reachable.

• Edited by vtrevor Monday, May 13, 2013 3:23 PM

When I run the Lync 2010 Deployment Wizard it indicates that Prepare Active Directory is not completed.  This was run successfully in the past.  When I open the Active Directory Preparation' View, an error is returned under Prepare Schema:  Not Available:  Failure occurred while attempting to check the schema state.  Please ensure Active Directory is reachable.

• Edited by vtrevor Monday, May 13, 2013 3:23 PM

Run again the Prepare Active Directory form Deployment Wizard. and then try to access the Control Panel.

PS C:\Windows\system32> nslookup
Default Server:  ...
Address:  ...

> set q=srv
> _ldap._tcp.dc._msdcs.domain

Above returns the domain controllers

http://technet.microsoft.com/en-us/library/cc738991(v=ws.10).aspx

• Edited by vtrevor Monday, May 13, 2013 3:37 PM

PS C:\Windows\system32> nslookup
Default Server:  ...
Address:  ...

> set q=srv
> _ldap._tcp.dc._msdcs.domain

Above returns the domain controllers

http://technet.microsoft.com/en-us/library/cc738991(v=ws.10).aspx

• Edited by vtrevor Monday, May 13, 2013 3:37 PM

PS C:\Windows\system32> nslookup
Default Server:  ...
Address:  ...

> set q=srv
> _ldap._tcp.dc._msdcs.domain

Above returns the domain controllers

http://technet.microsoft.com/en-us/library/cc738991(v=ws.10).aspx

• Edited by vtrevor Monday, May 13, 2013 3:37 PM

PS C:\Windows\system32> nslookup
Default Server:  ...
Address:  ...

> set q=srv
> _ldap._tcp.dc._msdcs.domain

Above returns the domain controllers

http://technet.microsoft.com/en-us/library/cc738991(v=ws.10).aspx

• Edited by vtrevor Monday, May 13, 2013 3:37 PM

Hi

Did you try to run again the Prepare active Directory. That should resolve your issues

Please run the commands below to check you can see the GC server.

nslookup

>set q=any

>gc._msdcs.<domain>

 Check if there are any errors on DC on which the GC lies.

The issue was a firewall between the Lync FE server and the new Active directory domain controllers.  A rule update resolved the issue.

• Marked as answer by vtrevor Monday, May 20, 2013 2:29 PM

The issue was a firewall between the Lync FE server and the new Active directory domain controllers.  A rule update resolved the issue.

• Marked as answer by vtrevor Monday, May 20, 2013 2:29 PM

The issue was a firewall between the Lync FE server and the new Active directory domain controllers.  A rule update resolved the issue.

• Marked as answer by vtrevor Monday, May 20, 2013 2:29 PM

The issue was a firewall between the Lync FE server and the new Active directory domain controllers.  A rule update resolved the issue.

• Marked as answer by vtrevor Monday, May 20, 2013 2:29 PM

i have the same issue on my side.what did you do with your firewall?

on the machines i disabled them, i opened everythink to everywhere, but still no luck.

Ciao

Pascal