Cannot extend the MASTER database onto any device other than 'master'. The ALTER DATABASE was aborted.
This error occurs when you attempt to extend the master database on a device other than the master device.
Extend the master database only when necessary. If you need to extend master and the master device is full, move user databases to other devices and retry the alter database statement.
If, after moving all user databases off the master device, you find that it is still too small, you can, using great caution, rebuild the master device specifying a larger size.
Caution If you choose to rebuild the MASTER device, make sure that you have a current backup of the master database. Also, be sure that you have read Part 5, "Data Management," and understand how to recover the master database and the MASTER device.