We are aware of issues on several realms which have prevented players from being able to log in. Our server technicians are actively investigating the cause of this issue, and we hope to have this matter resolved soon. Please refer to this thread for any updates as they become available.

Realms Currently Affected:
Bladefist
Borean Tundra
Cairne
Cenarion Circle
Drenden
Farstriders
Garrosh
Lightbringer
Misha
Mok'Nathal
Moon Guard
Nazgrel
Nesingwary
Nordrassil
Rivendare
Sisters of Elune
The Forgotten Coast
Blackwater Raiders

We have alleviated the initial cause of the issue with these realms and are currently working to resolve some additional issues that have occurred as a result of this situation on the following realms:

Cenarius
Nesingwary
Blackwater Raiders
Hydraxis

The below realms are currently offline due to technical issues.

Blackwater Raiders
Cenarius