Hi everyone,
in recent days I faced an unpleasant problem.
I had to separate the Server part from a windows machine with ArcGIS Server and ArcGIS Portal installed.
I tried to follow the documentation step by step, but I don't understand what could be the problem.
The machine has Windows 2016 Server and Enterprise 10.8.1.
The folder migration procedure perpetually goes into error with the following message:

But there are no operations in progress.
After several attempts, I somehow managed to get 3 out of 4 folders migrated, but after migration it always failed.

Can you help me?
Tnx Riccardo