https://community.fabric.microsoft.com/t5/Report-Server/Power-BI-Server-cannot-be-started-after-upgrading-to-March/m-p/402489#M5297 <P>Not enought information to diagnose the problem. Suggest you run through all the configuration steps in the report server configruation tool, including checking your service accounts, DB connections and URL reservations. You can also look at the server log files, for more detailed information.&nbsp;</P> Mon, 23 Apr 2018 17:15:55 GMT Jon-Heide 2018-04-23T17:15:55Z https://community.fabric.microsoft.com/t5/Report-Server/Power-BI-Server-cannot-be-started-after-upgrading-to-March/m-p/402167#M5282 <P>I have installed Power BI Report Server (March 2018) as an upgrade at two different installations.</P><P>&nbsp;</P><P>One went well - on the other the service could not start - "Access denied" at every start-attempt (also as "As Administrator)</P> Mon, 23 Apr 2018 10:26:36 GMT https://community.fabric.microsoft.com/t5/Report-Server/Power-BI-Server-cannot-be-started-after-upgrading-to-March/m-p/402167#M5282 MagicMads 2018-04-23T10:26:36Z https://community.fabric.microsoft.com/t5/Report-Server/Power-BI-Server-cannot-be-started-after-upgrading-to-March/m-p/402489#M5297 <P>Not enought information to diagnose the problem. Suggest you run through all the configuration steps in the report server configruation tool, including checking your service accounts, DB connections and URL reservations. You can also look at the server log files, for more detailed information.&nbsp;</P> Mon, 23 Apr 2018 17:15:55 GMT https://community.fabric.microsoft.com/t5/Report-Server/Power-BI-Server-cannot-be-started-after-upgrading-to-March/m-p/402489#M5297 Jon-Heide 2018-04-23T17:15:55Z