Operator gets a COOPS 10053 controller network error when trying to open a station configuration on the master PC but not on a client PC using the same station configuration (Figure 1). Moreover, the Test PC configuration Utility says the persistent route is not set even though the controller has only one processor and doesn’t require the persistent route to be set (Figure 2).
Figure 1 – COOPS 10053 error
Figure 2 – Erroneous Persistent Route Not Set failure
This problem was caused by cloud based anti-virus software that was operating over the company network. By disconnecting from the company network the problem stopped.