De Hiper-V no se mucho, encontré estos 2 artículos y espero que te sirvan.
Articulo 1
Articulo 2:
Your credentials do not work in Hyper-V manager
When you try to connect to a Hyper-V server in Workgroup mode from a client that belongs in either a workgroup or a domain you receive the message:
Your system administrator does not allow the use of default credentials to log on to the remote computer (computer name) because its identity is not fully verified. Please enter new credentials.
The fix is to allow saved credentials with NTLM-only server authentication on the Hyper-V client machine. You can do this in the Local Group Policy Editor.
* Run gpedit.msc on the client machine (Windows Vista or Windows 7)
* Expand Local Computer Policy > Computer Configuration > Administrative Templates > System > Credentials Delegation
* Double-click Allow Saved Credentials with NTLM-only Server Authentication
* Enable the policy
* Add servers to the list by clicking the Show button and adding your Hyper-V hostname like this: */YourServerName
* Add other servers to the list using the same method
* Click OK twice and close Local Group Policy Editor
* Now run GPUPDATE on the Hyper-V client machine to apply the new settings.
* Use cmdkey to save the credentials you use to connect to the remote server using this command: cmdkey /add:ServerName /user:UserName /passassword
Saludos
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