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For configuration of the user name and passwort please read more here: tia Core tia® Status UI Authentication
Main screen
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Click at a repository to open the a windows showing repository configuration (no editing possible here - For editiong, please read here Services).
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Show volume measurement
In the main screen you can select View Volume usage to see the volume in the last six month.
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The button is only visible when https://kgs-software.atlassian.net/wiki/spaces/DOCUEN/pages/2872049673/Volume+Measurement#Automatic-transmission-of-volume-measurements is configured. An online connection is required for this functionality.