TNS Database Error Messages TNS-00100: Unable to allocate memory January 23, 2020 mpbod TNS-00100: Unable to allocate memory Cause: Out of memory on the machine Action: Add more memory or run fewer processes 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)