Hi Sigurd, Please try the following steps: 1. Stop the portal service 2. Rename your index folder 3. Unzip empty_index.zip at ArcGIS\Portal\framework\template folder to your index folder 4. Start the portal service, and then rebuild full indexes with portal admin API
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Do you see any write.lock file in index folder? If yes, stop the portal service, remove all write.lock file, start the portal service, and then rebuild full index in portal admin API.
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