Entry type: FAQ, Entry ID: 11768430, Entry date: 08/20/2010

On the WinCC client, how can you determine which server it is connected to?

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In order to determine which server your client is connected to, you can query the internal tag "@RM_SERVER_NAME". In the Tag Management this tag is created in the tag group "Redundancy" as soon as you select "Activate Redundancy" in the WinCC project.

Fig. 1: Settings for redundancy

For example, use an I/O field and link this with the "@RM_SERVER_NAME" tag. In WinCC Runtime the name of the active server is then displayed in this I/O field.

Switching, Redundancy