How to connect to a Lync Edge server in the perimeter network? (4219682)

Running a Lync Server Health Test against Edge servers results in the test showing as "Not Completed" for each server.

Clicking the server name in the Test Results shows:

1. "Failed to retrieve disk space values using WMI" Double clicking this entry gives the following details:
   "WMI connection failed on server <edgeServerName> (Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))). Name space is
   \\<edgeServerName>\root\cimv2<file:///\\<edgeServerName>\root\cimv2>
    
2. "Failed to enumerate servcies" Double click this entry gives the following details:
   Cannot open Service Control Manager on computer '<edgeServerName>'. This operation might require other privileges.
   Verify that the user account used for test execution has sufficient rights to the service control manager on <edgeServerName>.