I've already tried to

As a workaround, try converting the disks as local files

But the same issue with the timout.

I'm wondering where the timeout comes from.

In the ESXi I checked the Shell TimeOut for UserVars.ESXiShellTimeOut = 0 and also for the ESXiShellInteractiveTimeOut = 0.

It's running about one hour.

I tried in a 2nd run to create a local file and change the format to thick. But in this case I get the same error.

Hyper-V is not possible because I've no Hyper-V server

I'm trying to migrate a VMware VM from one remote host to the other one. The migration of the VM starts and is runnig up to 40% and then I get the error message ... File read error! You do not have access rights to this file The vm is powered off during the migration and I'm migrating the full VM. D...