I have a customers Exchange 2010 Sp1 server that needs to be upgraded to Sp3 prior to moving them to Exchange 2013. I am trying to install Exchange 2010 Sp3 update and get the following error
The .NET Framework feature 'HTTP Activation' isn't installed. User Server Manager to install HTTP Activation.
When I add that feature I get the following error.
Add-WindowsFeature : Installation of [.NET Framework 3.5.1 Features] HTTP Activation failed. Attempt to install HTTP Activation failed with error code 0x80070643. Fatal error during installation
Through some research I have found that by removing the Windows Process Activation Service feature I will be able to install the WCF and HTTP Activation feature and then re-install the WPA Service.
My question is: Will removing the WPA Service from a functioning Exchange 2010 install cause issues with Exchange functionality? Will I be able to re-install this feature successfully afterwards? All blogs do not discuss this issue with Exchange 2010 already running on the server, only issues with install...
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