If it is a major update, some users may not be able to access the server for several hours or even a day. Although using this trick is only a temporary solution because the maintenance will also take effect on that region at any given time. With this, not all game regions will be affected by the maintenance and quick fix can be done by playing other regions. If it’s a minor update, the outage would only last for about 10 minutes, up to an hour. There are plenty of reasons for this outage, it’s either because EA scheduled a maintenance to release minor or major updates for their game. You have been disconnected from the Call of Duty Modern Warfare servers.” and if accessing the game again, they get a new error message that says “Connection Failed. While attempting to access the game they get an error message that says “Server Disconnected. During a server outage or after server maintenance some players may not be able to access the online Battle Royale game, Call of Duty Warzone.