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Need help with Windows Essential Business Server Preparation Wizard DC error.

I have got an issue with the Windows Essential Business Server Preparation Wizard.
Im running the wizard from the DC with admin rights.

When trying to scan for data, I get the following message :
Error: A list of domain controllers could not be collected.

We have 2 DC's in the AD, and both of these show up just before this error in the logfile.

Here's the error info from the WEBS.BPA.Console.log if this helps :

[9824],"2009-02-09 14:02:37.177","DirectoryServices","Error","failed to FindAll domaincontroller entries"
[9824],"2009-02-09 14:02:37.209","DirectoryServices","Error","System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.WEBS.Networking.DirectoryServices.GetDomainControllerEntries(String DcToQueryAgainst, String SiteName)"
[9824],"2009-02-09 14:02:37.256","ServerInfoCollector","Error","Microsoft.WEBS.Networking.DirectoryServicesMmsNwException: A list of domain controllers could not be collected. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.WEBS.Networking.DirectoryServices.GetDomainControllerEntries(String DcToQueryAgainst, String SiteName)
--- End of inner exception stack trace ---
at Microsoft.WEBS.Networking.DirectoryServices.GetDomainControllerEntries(String DcToQueryAgainst, String SiteName)
at Microsoft.WEBS.Networking.DirectoryServices.GetDomainControllersFqdn(String DcToQueryAgainst, String SiteName, Collection`1& undiscoverableDcs)
at Microsoft.WEBS.BPA.Extensions.DataCollectors.ServerInfoDataCollector.PopulateData(DataSet& collectedData)"
[9824],"2009-02-09 14:02:37.256","WEBSBPA_Engine","Error","Microsoft.WEBS.BPA.Engine.DataCollectionException: A list of domain controllers could not be collected.
at Microsoft.WEBS.BPA.Extensions.DataCollectors.ServerInfoDataCollector.PopulateData(DataSet& collectedData)
at Microsoft.WEBS.BPA.Extensions.DataCollectors.ServerInfoDataCollector.CollectData(IExecutionEngineDataContext executionEngineDataContext, IDictionary`2 executionParameters, DataSet& collectedData)
at Microsoft.WEBS.BPA.Engine.DataCollector.Execute(IExecutionEngineDataContext executionEngine, IDictionary`2 executionParameters, DataSet& outputData)
at Microsoft.WEBS.BPA.Engine.ExecutionModule.Execute(IExecutionEngineDataContext executionEngine, IDictionary`2 executionParameters, Logger logger, DataSet& outputData)
at Microsoft.WEBS.BPA.Engine.ExecutionEngine.ExecuteModule(ExecutionModuleContext executionModuleContext)
at Microsoft.WEBS.BPA.Engine.ExecutionEngine.ExecuteModuleMain()"
[9824],"2009-02-09 14:02:37.256","WEBSBPA_Engine","Information","Marking executing module ServerInfo as failed"

MattShadbolt

Are your domain controllers in the "Domain Controllers" OU?

Also, try running the prep wizard on a normal PC logged in with Domain Admin priv's.

Retailplanit

ASKER

I have tried from other PC's with admin rights which does not make any difference.

Heres what the log says about the DC's right before the error occurs...:
I have replaced the domain name with xxxxx for security reasons.

[9824],"2009-02-09 14:02:37.052","DirectoryServices","Information","search root: LDAP://CN=Sites,CN=Configuration,DC=xxxxx,DC=com"
[9824],"2009-02-09 14:02:37.146","DirectoryServices","Information","GetDomainNameFromDN with DN CN=RP-VENUS,OU=Domain Controllers,DC=xxxxx,DC=com"
[9824],"2009-02-09 14:02:37.146","DirectoryServices","Information","domainName for DN CN=RP-VENUS,OU=Domain Controllers,DC=xxxxx,DC=com is xxxxx.com"
[9824],"2009-02-09 14:02:37.146","DirectoryServices","Information","Adding directory entry to DCList: LDAP://CN=RP-VENUS,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=xxxxx,DC=com"
[9824],"2009-02-09 14:02:37.162","DirectoryServices","Information","GetDomainNameFromDN with DN CN=RP-MERKUR,OU=Domain Controllers,DC=xxxxx,DC=com"
[9824],"2009-02-09 14:02:37.162","DirectoryServices","Information","domainName for DN CN=RP-MERKUR,OU=Domain Controllers,DC=xxxxx,DC=com is xxxxx.com"
[9824],"2009-02-09 14:02:37.162","DirectoryServices","Information","Adding directory entry to DCList: LDAP://CN=RP-MERKUR,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=xxxxx,DC=com"
[9824],"2009-02-09 14:02:37.177","DirectoryServices","Error","failed to FindAll domaincontroller entries"

....

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MattShadbolt

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Retailplanit

ASKER

Tried to add the entries into the hosts files. This did not change anything.
The DC's are booth running 2003 Ent. The AD is a Windows 2000 native AD, dont know if this could be the problem somehow.

MattShadbolt

well the pre-reqs of bes is 2003 sp2 and a native 2003 domain.

Retailplanit

ASKER

Its Windows2003 , but I dont see any requirements that states native 2003 domain anywhere.

Also the error message does not refer to an incompatible domain version?

MattShadbolt

but the error messages look like ad lookup errors...

Retailplanit

ASKER

Is there some kind of util, that will be able to check for AD lookup errors somehow ?

SOLUTION

MattShadbolt

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Retailplanit

ASKER

Found the solution, heres what i did:

I tried to update the domain functions to windows 2003 functionallity, this gave me an errorlog of servers which did not support win 2003 functionallity.

The list had a dead DC which is not in the domain at all (the server crashed a while ago), so i tried removing it using this guide:
http://support.microsoft.com/kb/216498

After it was removed from the ad, the Planning tool moved on successfully! :-)

So the issue seemed to be a dead dc in the ad.
Thanks for the help.