OPC DA server and rename function

[dongil]

WinCC OA version : 3.14 P011

to change the dp name, when we use rename function, opc da server keep the old dp name. opc server has to be restarted.
if you have any solution of this issue, let me know.

but If we create new tag, new tag is showing without restart server.

[leoknipp]

This is possibly related to the fact that the DP group is already resolved and therefore it is not updated.
In the WinCC OA Documentation you can find the information that the OPC DA server needs to be restarted if the DP group is changed. It looks like this also applies to renaming a datapoint.

Best Regards
Leopold Knipp
Senior Support Specialist

[dongil]

Thank you for reply.

that mean, there is no way. whenever I use dpRename() , I have to terminate the opc da server on the server task manager.
Once client try to connect, opc server will be running.
is it correct ?

[leoknipp]

You must not use the task manager to stop a WinCC OA process.
It can be done sending the PMon a command or by writing the manager ID (CTRL function convManIdToInt) to the _Managers.Exit datapoint element.

The last question I do not unterstand. Can you please describe it more precise.

Best Regards
Leopold Knipp
Senior Support Specialist