Information on error "This character has a caged battle pet. Please remove it and try again"
During periods of high login traffic, we may put you in a login queue.
What to do if your saved UI layout was lost after a server crash.
The version of the game you are attempting to play does not match our current game servers.
Unable to log into Diablo IV.
What to do if you started a character transfer in World of Warcraft but it didn't complete successfully
How to move a Diablo III account off a Battle.net account
How to move a Diablo IV account off a Battle.net account
Information on reversing a server transfer in Diablo Immortal.