TNS Database Error Messages TNS-12632: Role fetch failed December 17, 2020 mpbod TNS-12632: Role fetch failed Cause: The authentication service failed to retrieve one of the user's roles. Action: Enable tracing to determine which routine is failing. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)