How do I shrink tempdb files without restarting?

How do I reduce the size of a TempDB file?

To remove additional files in tempdb, use the ALTER DATABASE command by using the REMOVE FILE option. Use the DBCC SHRINKDATABASE command to shrink the tempdb database.

What should I do if SQL Server TempDB is full?

CREATE the necessary space by dropping objects in the filegroup, adding additional files to the filegroup,or setting autogrowth on for existing files in the filegroup. When investigating a TempDB issue like this, most simply restart the SQL Server instance.

What happens when TempDB is full?

The TempDB database is special in many ways, but an interesting aspect is that when its files automatically grow when they become full, this growth is not persisted and will be undone on the next restart of the SQL Server service.

Can you move TempDB files location without restarting SQL Server services?

As far as I know, there's no way to move TempDB without stopping and restarting SQL Server. You can execute the script, but the change itself won't take affect until SQL Server is restarted. You don't have to restart the file server, just the SQL Server service which will minimize your downtime.