-Confirm:$False -Force:$True' to server Exchange_Server: Server version <version number>, Proxy method RPS:
The WinRM client cannot process the request. The connection string should be of the form
[transport://]host[:port][/suffix] where transport is one of "http" or "https". Transport, port and suffix are optional. The host may be a hostname or an IP address. For IPv6 addresses, enclose the address in brackets - e.g. "http://[1::2]:80/wsman". Change the connection string and try the request again.
Method 1: Install Exchange Server 2013 Cumulative Update 2 or a later cumulative updateWith Exchange Server 2013 Cumulative Update 2, a feature was added to compress the access token. However, if the token remains larger than the limitation in WinRM, even after it is compressed, the error continues to occur. In this case, use either method 2 or method 3 to work around the issue.
Method 2: Reduce the number of groups of which the Exchange administrator is a member
Method 3: Create a new Exchange administrator accountCreate a new account for Exchange administrative use, and make sure that this account is a member of only the minimum number of required groups.
Article ID: 3067263 - Last Review: Jul 13, 2015 - Revision: 1