Common ProblemsAll realms appear red and say Incompatible when logging in to World of Warcraft.
You may see incompatible realms after logging in to World of Warcraft after a patch. This occurs because your game client does not match the version on our servers.
If your game does not update automatically, restart the Blizzard Battle.net desktop app. Follow these steps if the update doesn't start.
Run the repair tool to repair any damaged game files.