Exchange 2007 OWA Error after installing Service Pack 3 (MSExchange OWA event 65)
Hi everyone, I have multiple servers in Exchange 2007 SP1, Windows Server 2003 SP2 64bit.

I installed SP3 and RU15 a CAS / HUB server and now I access OWA, showing the below error:

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Outlook Web Access did not initialize. There has been an event for the system administrator can resolve the problem. Contact the support of the organization.
Object reference not set to an instance of an object.


Request
URL: https: // mailserver01: 443 / owa / auth / error.aspx url = https: // mailserver01 / owa / & reason = 0

Exception
Exception type: Microsoft.Exchange.Clients.Owa.Core.OwaInvalidConfigurationException
Exception message: Object reference not set to an instance of an object.

Call stack
in Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.CreateAndLoadConfigurationManager () in Microsoft.Exchange.Clients.Owa.Core.Globals.InitializeApplication () in Microsoft.Exchange.Clients.Owa.Core.Global.ExecuteApplicationStart (Object sender, EventArgs e)

Inner Exception
Exception type: System.NullReferenceException
Exception message: Object reference not set to an instance of an object.

Call stack
in Microsoft.Exchange.Clients.Owa.Core.Configuration.CheckPublicFolders (ADSystemConfigurationSession session, ADObjectID [] pfdbIds, Boolean & allLegacy, Boolean & allLater) in Microsoft.Exchange.Clients.Owa.Core.Configuration..ctor (ADSystemConfigurationSession session, String virtualDirectory , String WebSiteName, ADObjectID distinguishedName, Boolean isPhoneticSupportEnabled) in Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.LoadConfiguration () in Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.CreateAndLoadConfigurationManager ()

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In server events next event is logged

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Event Type: Error
Event Source: MSExchange OWA
Event Category: ADNotifications
Event ID:. 65
Date: 12/27/2014
Time: 7:20:54
User: Not available
Team: mailserver01
Description:
There was an error loading the configuration parameters of Outlook Web Access. Virtual directory "owa". Website: "Default Web Site".
Error message:
"Object reference not set to an instance of an object."
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HOW CAN I SOLVE THIS?

thank you
December 27th, 2014 11:39am

Good again, plus I spent the ExBPA and I see these errors with servers that do not exist in the Exchange organization.

These servers are old and now are no longer in operation in my company.

There are 3 old servers that are no longer and cause these errors in the ExBPA:

Administrative Group: First Administrative Group
Server: server1
Unable to contact the Exchange server
Server: server2
Unable to contact the Exchange server
Server: server3
Unable to contact the Exchange server

Server: server1
Block inheritance of permissions on the object

Server: server2
Block inheritance of permissions on the object

Server: server3
Block inheritance of permissions on the object

In addition to ADSEdit, we can see that in the configuration partition - Services - Microsoft Exchange - Administrative Groups First Administrative Group appears with all the information on the servers that are no longer.

Did I read somewhere that may be the cause of my problem may be these servers?

If you install an SP on an existing server or install a new server I get the same error always in OWA, but with servers that are already running no problem (but I install any SP)

many Thanks
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December 28th, 2014 7:52am

Hi,

In your case, I would like to clarify the following thing:

Please uninstall these old Exchange servers from Control Panel at first. If a uninstall is failed and these Exchange server is useless, then you can remove these objects from ADSIEdit and check the result.

Note: ADSIEdit is not recommended if you can uninstall Exchange server successfully.

Hope this can be helpful to you.

Best regards,

December 30th, 2014 2:35am

thanks for answering Amy, the specified servers are no longer on the network, the only way to clear this information is from ADSEdit,

Do not you know I have to delete only the servers or the entire first administrative group?

I opened a case in Microsoft and I are saying that you install SP3 on Mailbox servers so I can help.

In my opinion, I think I install SP3 on mailbox servers, it will not solve the problem and I worry that the mail system to stop functioning altogether.


What do you recommend?

regards
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January 4th, 2015 11:26am

Hello everyone, thank you for answering, finally opened with Microsoft support case and showed me that delete servers from ADSEDIT. I deleted the servers that should not be and immediately everything started to work properly Many thanks to all for the help
April 4th, 2015 12:51pm

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