The Windows Remote Management (WinRM) client on the VMM server cannot process the request. A computer policy does not allow the delegation of the user credentials to the target computer hyper-v1.[removed].
WinRM: URL: [http://hyper-v1.[removed]:5985], Verb: [ENUMERATE], Resource: [http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_OperatingSystem], Filter: 
Unknown error (0x803381a3)
Use gpedit.msc and look at the following policy: Computer Configuration -> Administrative Templates -> System -> Credentials Delegation -> Allow Delegating Fresh Credentials. Verify that it is enabled and configured with an SPN appropriate for the target computer. For example, for a target computer name myserver.domain.com, the SPN can be one of the following: WSMAN/myserver.domain.com OR WSMAN/*.domain.com OR WSMAN/*
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