Failure installing SP3 on Exchange 2010

Good evening,

Following TechNet closely I'm currently in the process of moving my exchange 2010 environment to 2013.  I have single exchange server on a SBS 2011 box.  Sadly I've failed at the first hurdle installing SP3, the result is that my Exchange 2010 is refusing all client connections.

During the SP3 install I passed all prerequisites but during the actual upgrade it failed at the Hub Transport Role with the following error:

Summary: 8 item(s). 3 succeeded, 1 failed.
Elapsed time: 00:20:46
Language Files
Completed

Elapsed Time: 00:10:25


Restoring services
Completed

Elapsed Time: 00:00:02


Languages
Completed

Elapsed Time: 00:03:32


Hub Transport Role
Failed

Error:
The following error was generated when "$error.Clear();
          Write-ExchangeSetupLog -Info "Creating SBS certificate";

          $thumbprint = [Microsoft.Win32.Registry]::GetValue("HKEY_LOCAL_MACHINE\Software\Microsoft\SmallBusinessServer\Networking", "LeafCertThumbPrint", $null);

          if (![System.String]::IsNullOrEmpty($thumbprint))
          {
            Write-ExchangeSetupLog -Info "Enabling certificate with thumbprint: $thumbprint for SMTP service";
            Enable-ExchangeCertificate -Thumbprint $thumbprint -Services SMTP;
           
            Write-ExchangeSetupLog -Info "Removing default Exchange Certificate";
            Get-ExchangeCertificate | where {$_.FriendlyName.ToString() -eq "Microsoft Exchange"} | Remove-ExchangeCertificate;

            Write-ExchangeSetupLog -Info "Checking if default Exchange Certificate is removed";
            $certs = Get-ExchangeCertificate | where {$_.FriendlyName.ToString() -eq "Microsoft Exchange"};
            if ($certs)
            {
              Write-ExchangeSetupLog -Error "Failed to remove existing exchange certificate"
            }
          }
          else
          {
            Write-ExchangeSetupLog -Warning "Cannot find the SBS certificate";
          }
        " was run: "The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.".

The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.
Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.3.123.3&e=ms.exch.err.Ex88D115&l=0&cl=cp

Elapsed Time: 00:06:46


Client Access Role
Cancelled
Mailbox Role
Cancelled
Management Tools
Cancelled
Finalizing Setup
Cancelled

The setup log shows the following details:

Ending processing Get-ExchangeCertificate
[07/31/2013 20:50:46.0516] [1] The following 1 error(s) occurred during task execution:
[07/31/2013 20:50:46.0516] [1] 0.  ErrorRecord: The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.
[07/31/2013 20:50:46.0516] [1] 0.  ErrorRecord: System.InvalidOperationException: The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.
[07/31/2013 20:50:46.0531] [1] [ERROR] The following error was generated when "$error.Clear();
          Write-ExchangeSetupLog -Info "Creating SBS certificate";

          $thumbprint = [Microsoft.Win32.Registry]::GetValue("HKEY_LOCAL_MACHINE\Software\Microsoft\SmallBusinessServer\Networking", "LeafCertThumbPrint", $null);

          if (![System.String]::IsNullOrEmpty($thumbprint))
          {
            Write-ExchangeSetupLog -Info "Enabling certificate with thumbprint: $thumbprint for SMTP service";
            Enable-ExchangeCertificate -Thumbprint $thumbprint -Services SMTP;
           
            Write-ExchangeSetupLog -Info "Removing default Exchange Certificate";
            Get-ExchangeCertificate | where {$_.FriendlyName.ToString() -eq "Microsoft Exchange"} | Remove-ExchangeCertificate;

            Write-ExchangeSetupLog -Info "Checking if default Exchange Certificate is removed";
            $certs = Get-ExchangeCertificate | where {$_.FriendlyName.ToString() -eq "Microsoft Exchange"};
            if ($certs)
            {
              Write-ExchangeSetupLog -Error "Failed to remove existing exchange certificate"
            }
          }
          else
          {
            Write-ExchangeSetupLog -Warning "Cannot find the SBS certificate";
          }
        " was run: "The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.".
[07/31/2013 20:50:46.0531] [1] [ERROR] The certificate with thumbprint 355E62E464DCF42A08BCB7A8CF39C819D42B760E was not found.
[07/31/2013 20:50:46.0531] [1] [ERROR-REFERENCE] Id=SbsBridgeHeadComponent___6464a0ee0fd04f6b893a3c81d7eb3f26 Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup\SBS
[07/31/2013 20:50:46.0531] [1] Setup is stopping now because of one or more critical errors.
[07/31/2013 20:50:46.0531] [1] Finished executing component tasks.
[07/31/2013 20:50:46.0594] [1] Ending processing Install-BridgeheadRole

 My application event log is flooded with the following error:

Log Name:      Application
Source:        Microsoft-Windows-IIS-W3SVC-WP
Date:          31/07/2013 21:59:43
Event ID:      2280
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      SRV-SBS.lawrencedavid.local
Description:
The Module DLL C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\exppw.dll failed to load.  The data is the error.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-IIS-W3SVC-WP" Guid="{670080D9-742A-4187-8D16-41143D1290BD}" EventSourceName="W3SVC-WP" />
    <EventID Qualifiers="49152">2280</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-07-31T20:59:43.000000000Z" />
    <EventRecordID>975085</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>SRV-SBS.lawrencedavid.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data Name="ModuleDll">C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\exppw.dll</Data>
    <Binary>05000000</Binary>
  </EventData>
</Event>

I've tried to re-register exppw.dll following instructions in the TechNet forums but this hasn't helped to restore functionality or complete the SP3 installation.  Any guidance would be most appreciated.  Thanks in advance!

July 31st, 2013 9:02pm

Hi RicChapman,

From the event log files, I recommend you do as follows to check the result.

1.disabling all the exchange services
2.clearing both the apps and system logs
3.restarting the server
4.reinstall the Exchange 2010 SP3

Here are some case threads for your reference.

exchange 2010 SP2 failed in SBS 2011 Standard Ed
http://social.technet.microsoft.com/Forums/en-US/018bacbd-cbec-4117-82e2-7247eba57099/exchange-2010-sp2-failed-in-sbs-2011-standard-ed

The Module DLL C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\exppw.dll failed to load
http://social.technet.microsoft.com/Forums/exchange/en-US/686d1a90-a016-4a4c-ae2e-6725914a5d5a/the-module-dll-cprogram-filesmicrosoftexchange-serverv14clientaccessowaauthexppwdll-failed

Additional article for your reference.

Exchange Server 2010 is in evaluation mode after installation or repair in SBS 2011 Standard
http://support.microsoft.com/kb/2527626

Hope it helps.

Best regards,
Amy

Free Windows Admin Tool Kit Click here and download it now
August 1st, 2013 8:19am

Hi RicChapman,

From the event log files, I recommend you do as follows to check the result.

1.disabling all the exchange services
2.clearing both the apps and system logs
3.restarting the server
4.reinstall the Exchange 2010 SP3

Here are some case threads for your reference.

exchange 2010 SP2 failed in SBS 2011 Standard Ed
http://social.technet.microsoft.com/Forums/en-US/018bacbd-cbec-4117-82e2-7247eba57099/exchange-2010-sp2-failed-in-sbs-2011-standard-ed

The Module DLL C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\exppw.dll failed to load
http://social.technet.microsoft.com/Forums/exchange/en-US/686d1a90-a016-4a4c-ae2e-6725914a5d5a/the-module-dll-cprogram-filesmicrosoftexchange-serverv14clientaccessowaauthexppwdll-failed

Additional article for your reference.

Exchange Server 2010 is in evaluation mode after installation or repair in SBS 2011 Standard
http://support.microsoft.com/kb/2527626

Hope it helps.

Best regards,
Amy

August 1st, 2013 8:19am

Hi RicChapman,

From the event log files, I recommend you do as follows to check the result.

1.disabling all the exchange services
2.clearing both the apps and system logs
3.restarting the server
4.reinstall the Exchange 2010 SP3

Here are some case threads for your reference.

exchange 2010 SP2 failed in SBS 2011 Standard Ed
http://social.technet.microsoft.com/Forums/en-US/018bacbd-cbec-4117-82e2-7247eba57099/exchange-2010-sp2-failed-in-sbs-2011-standard-ed

The Module DLL C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\exppw.dll failed to load
http://social.technet.microsoft.com/Forums/exchange/en-US/686d1a90-a016-4a4c-ae2e-6725914a5d5a/the-module-dll-cprogram-filesmicrosoftexchange-serverv14clientaccessowaauthexppwdll-failed

Additional article for your reference.

Exchange Server 2010 is in evaluation mode after installation or repair in SBS 2011 Standard
http://support.microsoft.com/kb/2527626

Hope it helps.

Best regards,
Amy

Free Windows Admin Tool Kit Click here and download it now
August 1st, 2013 8:19am

When installing SP3 of Exchange 2010 on a SBS 2011 machine the installation might fail on the mailbox role.
Clear the value inside the following key.

HKEY_LOCAL_MACHINE/Software/Microsoft/SmallBusinesServer/Networking/LeafCertThumbprint

Do not delete the entire key since its needed.
Rerun the setup and it will, if nothing else is wrong complete succesfully.

February 20th, 2014 7:23pm

This fixed my error! 
Free Windows Admin Tool Kit Click here and download it now
June 20th, 2014 5:21pm

Thx Emilio,

This fixed my certificate error too!

Grtx Rogier

June 25th, 2014 9:33pm

This worked for me! Thanks Emilio!
Free Windows Admin Tool Kit Click here and download it now
June 26th, 2014 5:01am

Brilliance.  Cheers!
November 27th, 2014 3:53pm

Thanks Amy,

Regards,

Free Windows Admin Tool Kit Click here and download it now
November 29th, 2014 10:25pm

You are a life saver!
January 7th, 2015 7:57am

AWESOME!!! Thank you!!!! Worked for me!
Free Windows Admin Tool Kit Click here and download it now
January 11th, 2015 5:41pm

Can confirm Emilio that it does fix the error.

Thank you for sharing.

March 6th, 2015 1:06pm

This was the fix to the issue I was having with my customer's server...Thank you!!!
Free Windows Admin Tool Kit Click here and download it now
July 11th, 2015 9:31am

Thank you so much Emilio....solved the issue for me and saved me a boat load of time I'm sure.
July 14th, 2015 8:39pm

You are a legend - thanks so much

A server down to working again because of your info

Free Windows Admin Tool Kit Click here and download it now
July 25th, 2015 5:21pm

Thank you for posting this.  It also fixed my issue.  I would have been lost without your help.
September 2nd, 2015 10:35pm

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