Fixes winrm access denied bug, by temporarily disabling the UAC remote restrictions

On Windows Vista, 2008, 2008 R2 and 7, changing the configuration of
the winrm service will fail with an "Access is denied" error if the
User Account Control remote restrictions are enabled.

The solution to this issue is to temporarily disable the User
Account Control remote restrictions.

https://support.microsoft.com/kb/951016

Change-Id: I07b61b94900d39ad0aee544e26ee37bbc94bf7b9
Closes-Bug: #1379854