Error: Unable to find Hyper-V hosts where VM is registered

[tiorl]

After changing IP`s of our Hyper-V hosts and Hyper-V cluster,we have got this problem. But there is no some connection problems, because all VM's is listing in console and we can rescan hosts without any errors.
What could it be?

[tiorl]

So the problem was resolved by restarting veeam services on backup server

[Mike Resseler]

Hi Pavel,

First: Welcome to our forums.
Just to be clear, you changed IP's and you got the above error? Restarting the Veeam services fixed it. What I suspected is that it still had the old IP's cached somewhere. What does worry me is that it didn't receive the new ones when you did a rescan to be honest.