Exchange 2013 Office Web App integration removal

Good Day,

Have discovered the following error occurring in our Exchange Server event viewer:

There was a failure connecting to or otherwise retrieving Data from the Wac Discovery Service. We will fall back to stellent. Error retrieving wac discovery data from endpoint https://officewebapp.ourdomain.com/hosting/discovery. Exception was System.Net.WebException: The remote name could not be resolved: 'officewebapp.ourdomain.com'
   at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.Exchange.Clients.Owa2.Server.Core.WacDiscoveryClient.FetchDiscoveryResults()

I learned this was referencing that our exchange server cannot find the office web app server that it is supposed to be integrated with. There is not a Office Web App server in our organization, so I need to remove this reference.

I am assuming the prior IT group had attempted to set this up (attempted to contact them in regards to how to fix this) and I am unfamiliar with how to remove the WACDiscoveryEndpoint reference on the Exchange Server. It appears it can only be done through command line. I have found plenty of postings showing how to set it, just none explaining how to remove the reference.

The WACDiscoveryEndpoint is currently set to https://officewebapp.ourdomain.com/hosting/discovery

Any assistance will be greatly appreciated.

Thanks,

David
BrockstedtAsked:
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Jason CrawfordTransport NinjaCommented:
I've never deployed OWAS, but after reading the really long Technet article on deployment you might be in a situation where the easier job is to push onward until it works.  Plus you'd have the added benefit of providing neat functionality to your client.

Two things jump out at me with the OWAS URL.  First it uses https which begs the question, "what is the status of the cert?"  Second, I know you stated there is no officewebapp server in your environment, but the URL you provided is in the .com TLD which most IT folks wouldn't use for their internal domain name unless it was with an extra sub-domain (ie hq.mydomain.com).  This seems to indicate the OWAS server *might* be hosted offsite somewhere.  Or maybe you just missed a CNAME in internal DNS.  Best practice published by Microsoft is to dedicate a server to OWAS, but how many times do you see Exchange installed on a Domain Controller in the wild.  Point is it may be installed alongside another server somewhere you haven't found yet.

In any case, it looks like OWAS settings are configured at the org level with Set-OrganizationConfig:

https://technet.microsoft.com/library/2591b1be-92c4-4192-9f5e-e4e6b319170a

Maybe you can just:

Set-OrganizationConfig -WACDiscoveryEndPoint $null
Get-OwaVirtualDirectory | Set-OwaVirtualDirectory -WacViewingOnPrivateComputersEnabled $false
Get-OwaVirtualDirectory | Set-OwaVirtualDirectory -WacViewingOnPublicComputersEnabled $false
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BrockstedtAuthor Commented:
Keyser Soze

Will give this a try and update.
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