Yet another Exchange 2010 Management Tools error case, with the error: The WinRM client cannot process the request. It cannot determine the content type of the HTTP response from the destination computer. In this case, all of the troubleshooting used...

In this case, the problem was initially manifesting itself as the following error when trying to create a new mailbox in the first database created with installation of the server: Active Directory operation failed on adserver.domain.com. This error is...