After updating the emserver with the study, I close Process Simulate, reopen and load in Line Simulation. When the study loads, the robots are in SYNC position with the dress packs and the EOAT floating at its last position when updated.
PS on eMserver 12.1.1
When you update emserver, are you checking to update the resource? Can you avoid that?
What you can also try to do is to check if your EOAT is globally attached to your robot. I had a few issues (close to what you're having) and this functionality solve the problem.
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