Getting a 2003 DC to think it is a MMS

Modify the ProductType entry in the registry. To do this, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate the following registry subkey:
   HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlProductOptions
3. In the right-pane, double-click ProductType.
4. Type ServerNT in the Value data box, and then click OK.