Environment
Retain 4.0.1+
Situation
After I click on Migrate to 4.0 Indexer, enter my admin password, and click save, I return back to the Migrate to 4.0 Indexer link.
Resolution
Check the rights of the user being used. This user must have the right, Manage Server.
Additional Information
This article was originally published in the GWAVA knowledgebase as article ID 2760.