Exchange 2007 OWA Error after installing Service Pack 3 (MSExchange OWA event 65)

Question

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:
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
In server events next event is logged
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."
HOW CAN I SOLVE THIS?
thank you very much
Microsoft Certified IT Professional Server Administrator

Answer 1

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
Microsoft Certified IT Professional Server Administrator