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Exchange 2003 Categorizer errors

Posted on 2009-06-29
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Last Modified: 2012-05-07
I have been getting some categorizer errros on my exchange 2003 server running on 2003 SBS.  Mail is being delivered, but I'm worried these warnings will become problems in the future.  All windows and exchange service packs have been installed.

The error messages are as follows:

Categorizer received error 0x00000051 from WLDAP32!
ldap_search_extW(GetPLDAP(), "", 2,
"(ProxyAddresses=smtp:Jim_White@gov.nt.ca)",
rgszAttributes, ...), PLDAP = 0x09ce4cb0
for server server.domain.COM

Categorizer is temporarily unable to process a message.  
The function 'CCfgConnection::AsyncSearch' called
'CBatchLdapConnection::AsyncSearch' which returned
error code '0xc004051f' ().
( f:\tisp2hot\transmt\src\phatq\cat\ldapstor\cnfgmgr.cpp@2353 )

Categorizer is temporarily unable to process a message.  
The function 'CLdapConnection::AsyncSearch' called 'AsyncSearch'
which returned error code '0xc004051f' ().
( f:\tisp2hot\transmt\src\phatq\cat\ldapstor\ldapconn.cpp@3224 )

Categorizer is temporarily unable to process a message.  
The function 'CSearchRequestBlock::HrSendQueryDefault'
called 'pBlock->m_pConn->AsyncSearch' which returned error code
'0xc004051f' ().
( f:\tisp2hot\transmt\src\phatq\cat\ldapstor\asyncctx.cpp@725 )

Categorizer is temporarily unable to process a message.  
The function 'CICategorizerAsyncContextIMP::CompleteQuery' called
'--async--' which returned error code '0xc004051f' ().
( f:\tisp2hot\transmt\src\phatq\cat\ldapstor\icatasync.cpp@172 )

A categorization is failing over to a new connection.  
The old connection was to DS host "server.domain.COM".  
The new connection is to DS host "server.domain.COM".  The retry count is 1.


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Question by:jarrodlbell
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by:FearNoMore
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I recently worked with a client on the same issue.
Turned out to be an issue with the AV. In this case it was Trend Scanmail
We found out that there was a new patch from Trend and after applying it, no more errors in the event logs.
 
 
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Author Comment

by:jarrodlbell
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I already tried uninstalling the antivirus program.  Same results.  Thanks for the prompt reply though!
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Expert Comment

by:FearNoMore
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After uninstalling the AV did you reboot the server?
If you cannot reboot the server then restart all Exchange services and the SMTP service and then check
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Author Comment

by:jarrodlbell
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It's been restarted about six times since then in an effort to get rid of these warning messages.
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Expert Comment

by:FearNoMore
Comment Utility
Very strange....
What other third party software are you running on the server?
Did you try disabling all of the third party?
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Author Comment

by:jarrodlbell
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The server is also running GFI mail essentials.  Disabling that software would create a flood of spam for the users, so I would prefer not to shut it down.  If necessary, I can open up a support call with GFI for additional troubleshooting.
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Expert Comment

by:FearNoMore
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Yes I would suggest opening up a support call with GFI.
I suspect its GFI
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Author Comment

by:jarrodlbell
Comment Utility
I'll open one up tomorrow and post the results afterwards.  Thanks for all the help FearNoMore.
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by:jarrodlbell
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Opened up a case with GFI.  The only place that any LDAP calls would be made is with it's directory harvesting.  In my case, harvesting is setup to use native active directory lookups, not L
DAP.  The case is still open and I'll post information as I get it.  Thanks for all the help!
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by:jarrodlbell
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Exported the log file and sent it to GFI.  I was told that GFI isn't using any LDAP calls the way I have it configured, so the error wasn't generated by GFI.
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by:jarrodlbell
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Still waiting on an answer from GFI.
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jarrodlbell earned 0 total points
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GFI blames MIcrosoft, Microsoft blames GFI, and I still don't have an answer.
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