ORA Database Error Messages ORA-25508: database is not mounted July 5, 2017 mpbod ORA-25508: database is not mounted Cause: Database must be mounted to perform ALTER SYSTEM UNQUIESCE command Action: Mount the database and retry this command 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)