Reinstalled Exchange Client Access now Outlook Anywhere isn't working

Platform: Windows SBS 2011 / Exchange 2010 SP2 Rollup 1

Background: I had a completely separate issue on our server yesterday and during my troubleshooting I reinstalled the Exchange Client Access. It turned out that it wasn't actually necessary and now I have lost Outlook Anywhere functionality.
 
The digital certificate is fine and I can access OWA without certificate prompt and so forth. Outlook Anywhere is enabled in Exchange Client Access. I have rebooted the server. Still no joy!
 
Outlook client settings are 100% correct (I have set this up before). The issue definitely lies on the server and reinstalling Exchange Client Access has certainly messed things up.

I really think I'm missing something obvious and I hope you can help.
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the_omnificAsked:
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DLeaverCommented:
Try running this to see where it is failing in the Outlook anywhere connection process

https://www.testexchangeconnectivity.com/
the_omnificAuthor Commented:
Yeah I have used that tool and it indicates that there is a certificate issues (there isn't): results: The SSL certificate failed one or more certificate validation checks. Certificate trust validation failed.
 
I'm not too concerned about this as I have used the servers self-assigned certificate rather than buying one. I have done this a hundreds of times on other sites and it works fine but https://www.testexchangeconnectivity.com always comes back with those Certificate trust validation failed results.
 
Since I have established that it is not a certificate issue... it must be something else. And I'm certain it has something to do with reinstalling the Exchange Client Access
the_omnificAuthor Commented:
I am receiving lots of these in the Event Log:
 
The Module DLL 'C:\Program Files\Microsoft\Exchange Server\V14\Bin\kerbauth.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a x86 processor architecture.
 
This appears to be the issue. Anyone know how to fix?
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the_omnificAuthor Commented:
DLeaverCommented:
I was about to post a similar fix, this resolved the issue for me when I ran into issues post recreation of the OWA VD

http://www.experts-exchange.com/Software/Server_Software/Web_Servers/Microsoft_IIS/Q_27473256.html
the_omnificAuthor Commented:
Ok, issue not resolved. Event Log looks heaps tidyer. Help please!
DLeaverCommented:
At what point does the OA fail, is it not accepting credentials or accepting them and logging in but stuck on trying to connect, or just disconnected from the off?
the_omnificAuthor Commented:
Before I troubleshooted the .dll files earlier it was freezing when you click on "check name" whilst configuring the Outlook client. The errors in the event log followed.

Now however, when i "check name" I immediately receive the error;

Outlook cannot log on. Verify you are connected to the network and are using the proper server and mailbox name. The connection to Microsoft Exchange is unavailable...blah blah
the_omnificAuthor Commented:

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the_omnificAuthor Commented:
I solved the issue myself.
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