Restore the M Drive Mapping in Exchange 2003

How can I restore the IFS Mapping for Drive M in Exchange Server 2003?
MS KB 305145 has more info (Remove the M Drive Mapping in Exchange 2000).
To restore the drive M mapping, use the script that is provided here: ifsdrive_script.zip – 2kb)
After you download and extract the drive M removal script, you need to run the script from a command prompt on the Exchange Server 2003:
Open a command prompt window, and then change to the folder that you saved the script to.
At the command prompt, type the following command to remove the drive M mapping:
Note: The script stops and starts the Exchange 2003 message transfer agent (MTA), Exchange 2003 Post Office Protocol version 3 (POP3), Exchange 2003 Internet Message Access Protocol, Version 4rev1 (IMAP4), Exchange 2003 information store, and World Wide Web Publishing services.

​ifsdrive drive_letter

Where drive_letter is (and should be) M:.
For example:

​ifsdrive m:

Links

Remove the IFS Mapping for Drive M in Exchange 2000 Server – 305145