If you have an Exchange Server 2010 on Server 2008 R2 , Exchange Management Shell can have problems with the following error;
Connecting to remote server failed with the following error message: The WinRM client cannot process the request. It cannot determine the content type of the HTTP response from the destination computer. The content type is absent or invalid. For more information, see the about_Remote_Troubleshooting Help topic.
If so, you can configure applicationHost.config file.This file resides in Windowssystem32inetsrvconfig directory.
Just modify following lines with “œAllow”
section name="handlers" overrideModeDefault="Deny"
name="modules" allowDefinition="MachineToApplication" overrideModeDefault="Deny"