ORA Database Error Messages ORA-15200: initialization parameter string (string) is not a power of two September 23, 2015 mpbod ORA-15200: initialization parameter string (string) is not a power of two Cause: The value specified for this initialization parameter was not a power of two. Action: Correct the initialization parameter value and restart the instance. 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)