RMAN Database Error Messages RMAN-06474: maintenance channels are not allocated January 28, 2021 mpbod RMAN-06474: maintenance channels are not allocated Cause: RELEASE CHANNEL was used without allocating any maintenance channels. Action: Allocate maintenance channel before executing 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)