Realm Maintenance on select US realms
Blizzard will be performing maintenance on the following realms beginning on Saturday, February 20, at 2:00AM PST/5:00AM EST until approximately 5:00AM PST/8:00AM EST. While the purpose of the maintenance isn't explained, the list of realms is pretty small, and the affected realms should only be down for about 30 minutes each. See below for a full list of affected realms:
Argent Dawn
Arthas
Azgalor
Bleeding Hollow
Bloodhoof
Durotan
Elune
Lothar
Madoran
Magtheridon
Mannoroth
Medivh
Shattered Hand
Skullcrusher
Stormrage
Trollbane
Warsong
Zul'jin