You get the above error on and off when making config changes on Hyper-V hosts.
VMM cannot complete the host operation on the server because of the error: Unable to find Object of type http://schemas.microsoft.com/wbem/wsman/1/wmi/root/standardcimv2/MSFT_NetIPInterface for interfaceindex 45
Resolve the host issue and then try the operation again.
The obligatory screeshot:
In my experience, there’s been no issue as a result of the above error. I’ve been able to safely ignore it.