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Exchane 2016 IIS Modules cafe_exppw / exppw / kerbauth

Posted on 2016-11-15
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Last Modified: 2017-02-02
A new install of 2016 mailbox role in an existing 2010 exchange AD environment.  

The install didn't complete all the way and while troubleshooting kerbauth.dll errors I think I inadvertantly messed up one of the cafe_exppw or exppw module locations. If someone could list their modules that are installed for the various exchange sites or know where is is a listing that would be great.      I already tried rebuilding the Powershell, ECP, OWA, and default site IIS through powershell, but the problem persists and I am not able to access the admin panel.  

If someone could list their modules that are installed for the various exchange sites or know where is is a listing that would be great.

I already did:
rejoin PC to domain
https://support.microsoft.com/en-us/kb/2778897 -> rebuilt ecp and owa
http://www.petenetlive.com/KB/Article/0000700 -> rebuilt powershell
https://blogs.technet.microsoft.com/get-exchangehelp/2013/02/07/managing-exchange-2013-iis-virtual-directories-web-applications/ --> rebuilt EWS backend
https://social.technet.microsoft.com/Forums/exchange/en-US/eb2ca264-cf16-46a0-ad14-b756b55134ed/the-module-dll-dmicrosoftexchange-serverv14binkerbauthdll-failed-to-load-the-data-is-the?forum=exchange2010
https://thepaintedlady.net.au/2016/06/21/exchange-2016-powershell-fails-to-open-the-module-dll-eprogram-filesmicrosoftexchange-serverv15binkerbauth-dll-failed-to-load-winrm-cannot-complete-the-operation/

I am also getting errors in the event logs:

Protocol /ecp failed to process request from identity NT AUTHORITY\SYSTEM. Exception: Microsoft.Exchange.Security.Authentication.BackendRehydrationException: Rehydration failed. Reason: Source server 'NT AUTHORITY\SYSTEM' does not have token serialization permission.

I checked on that error through several links and  made sure that the exchange computer wasn't in the domain admin accts or the other admin areas.
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Question by:Ether Net
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Assisted Solution

by:Amit
Amit earned 500 total points
ID: 41890170
Best to reinstall it again with recover switch. Use this:
https://technet.microsoft.com/en-us/library/dd876880(v=exchg.160).aspx
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Author Comment

by:Ether Net
ID: 41890231
I was hoping to avoid another reinstall as the /RecoverServer option fails:

  The following server roles are already installed: BridgeheadRole, ClientAccessRole, MailboxRole, UnifiedMessagingRole, FrontendTransportRole, AdminToolsRole, CafeRole.


I just need a listing of the what modules are assigned to the sites and app folders.
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Expert Comment

by:Amit
ID: 41890281
If server in not prod, I prefer to go with fresh install or recover option.
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Author Comment

by:Ether Net
ID: 41890317
I would prefer to solve the problem, then just doing a wipe and reinstall.
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LVL 42

Expert Comment

by:Amit
ID: 41890335
In that case, I will advise you to wait for other EE to respond to your query or give a call to MS. If you have that option available. Remember in your question, you said, you messed up few modules, clean install is the best option, in such cases. However, I agree to your point also.
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Author Comment

by:Ether Net
ID: 41890769
no one has a copy of exchange 2016 to take screenshots ?
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Accepted Solution

by:
Ether Net earned 0 total points
ID: 41893740
Due to time restraints, I uninstalled exchange after migrating the system mailboxes (-auditlog, -monitoring, -arbitration, et al) to a temp database in our 2010 server.


For reference here is the IIS module settings on the default install .

SERVER:
Registered but not active:
-->kerbauth
-->WSMAN
-->exppw
-->cafe_exppw

Active:
none

Default Web Site:
Registerd but not active:
-->kerbauth
-->WSMAN
-->exppw

Default Web Site\Powershell:
Registerd but not active:
-->WSMAN
-->exppw

Active:
-->exppw

Exchange Back End:
Registerd but not active:
-->kerbauth
-->WSMAN
-->exppw
-->cafe_exppw

Active:
none

Exchange Back End\ECP:
Registerd but not active:
-->kerbauth
-->WSMAN
-->exppw
-->cafe_exppw

Active:
none

Exchange Back End\EWS:
Registerd but not active:
-->kerbauth
-->WSMAN
-->exppw
-->cafe_exppw

Active:
none

Exchange Back End\Powershell:
Registerd but not active:
-->kerbauth
-->exppw
-->cafe_exppw

Active:
-->WSMAN
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LVL 42

Expert Comment

by:Amit
ID: 41894464
i deserve points, as you followed my suggestion at the end.
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Author Comment

by:Ether Net
ID: 41897851
The solution to reinstall with the /recovery switch did not resolve my issue as the /recovery did not work as I stated in comment https://www.experts-exchange.com/questions/28983357/Exchane-2016-IIS-Modules-cafe-exppw-exppw-kerbauth.html#a41890231 
a new os and new install from scratch after moving the mailboxes .
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LVL 42

Expert Comment

by:Amit
ID: 41897880
If you read my 3rd post. I mentioned fresh install.

If server in not prod, I prefer to go with fresh install or recover option.

https://www.experts-exchange.com/questions/28983357/Exchane-2016-IIS-Modules-cafe-exppw-exppw-kerbauth.html#a41890281
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