It's possible to rename the logical names of MS-SQL databases through the SQL-prompt (osql.exe).

Log in to your database using osql:

> osql -S SERVERINSTANCE -d MyDB -U sa

First, query the current logical names; you will need them in order to rename them.

1> SELECT * FROM sysfiles2> GOfileid groupid size maxsize growth status perf name filename1 1 106224 -1 10 1048578 0 OldName_Data D:\SQL2000\Data\MyDB_Data.mdf2 0 128 -1 10 1048642 0 OldName_Log D:\SQL2000\Data\MyDB_Log.ldf

The name column specifies the logical names. Use the following SQL statement to rename them.

1>  ...