ORA Database Error Messages ORA-13505: SYSAUX tablespace can not be made read only August 13, 2015 mpbod ORA-13505: SYSAUX tablespace can not be made read only Cause: Attempting to set the SYSAUX tablespace to read only. The SYSAUX tablespace must remain read write for database operation. Action: Leave SYSAUX tablespace read write. Back to previous menu 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)