Hyper-V … credentials may not be sent to the remote computer

After a few weeks of not using Win2008R2 I brought Hyper-V back online and unpleasantly greeted with the message box every time I was trying to connect to virtual machine:  

 

Afer poking around on internet the simplest solution was in the Hyper-V settings: and select ‘Use default credentials automatically’ in User Credentials section. 

Apparently cached credentials got out of sync.  After resetting I was able to get rid of the annoying message box