We have faced quite a lot the issue that if we want to implement new ZCM
11 agents to workstations (few by few) by using system update feature,
the update goes quite often also to other workstations than we have

In other words if I select only 1 workstation where I want to "push" the
agent update, the update goes to that workstation ok but quite often
also to some other/others workstations as well.

What could be the issue/fix? Some workstation GUID corruptions on DB, bug?

Server side is and agents that we update are mostly running 10.3