Also, I migrated a subscription from another Windows server 2012 R2 Standard, with Plesk 12.0.18, and it completed successfully.
So, probably the problem is on the source server.
SOURCE SERVER
Windows Server 2008 R2 SP1
Plesk 12.5.30 update 47 (it has the latest microupdate installed)
DESTINATION SERVER
Windows Server 2012 R2
Plesk 12.5.30 update 47 (it has the latest microupdate installed)
I am trying to migrate a subscription from Source to Destination server.
I...