Variable write requests may not be routed to the primary server Runtime.

Summary

Write request to non-local variables initiated from the standby server shall be routed to primary server disregard the “Read from Standby Server only” setting.

Description

Write request to non-local variables initiated from the standby server shall be routed to primary server disregard the “Read from Standby Server only” setting.

Solution

The issue has been resolved so that only local internal variables write requests are sent directly from the standby server Runtime.

Issue Number: 38529
Fixed on Date: 21.6.2017
Versions: 8.00 0 BUILD 46644

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Variable write requests may not be routed to the primary server Runtime.

Variable write requests may not be routed to the primary server Runtime.

Summary

Description

Solution

Related Articles

FAQ: What are Installation and Security considerations of the zenon Smart Server and Smart Client?

The AccessOPCUA OPC UA server in the process gateway allows write requests of OPC UA clients when the variable status is INVALID and updates the internal shadow value.

Checklist: OPCDA Server

FAQ: When I activate the option "write synchronously" for the Recipegroup manager recipe, and I write the recipe, the recipe does not seem to be written properly and also the Service Engine does not close properly. Why is that?

Primary Server may not find the Secondary Server on startup if the runtime is started simultaneously on both systems when using the hardware redundancy mode.