I'm also experiencing this on System Manager 2.0.2 with an HA Pair of 2240-4. While one side will report the snapshot information the other side of the pair will hang. Furthermore, when running get-nasnapshot the same filer will hang. I tried to restart my machine and once it had been tried to connect to the "hanging" filer through powershell and it timed out, while the "good" filer works fine. During the log in process of the "hanging" filer, if an incorrect username\pw was given, it would recognize it and give the appropriate response. Once the correct password was given the Connect-NaController would time out. I have tried to restart the "hanging" filer, but that didn't help.