ORA Database Error Messages ORA-01102: cannot mount database in EXCLUSIVE mode June 2, 2015 mpbod ORA-01102: cannot mount database in EXCLUSIVE mode Cause: Some other instance has the database mounted exclusive or shared. Action: Shutdown other instance or mount in a compatible mode. 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)