VSDM works on a 64-bits system. To enable it the system needs to be correctly configured. Please follow the steps below to enable VSDM to run on those systems.

System Requirements

1. Install Virtual Server 2005 AMD64
2. Install .NET Framework 1.1
3. Install .NET Framework 1.1 Service Pack
4. Execute the following command from a Command Prompt window:
   cscript %SystemDrive%\inetpub\AdminScripts\adsutil.vbs set w3svc/AppPools/Enable32bitAppOnWin64 1

Security: Do not forget to visit Windows Update (or Microsoft Update) to make sure all the installed software is up-to-date with the latest critical security patches available.

Installing VSDM

After you meet the requirements above, follow the normal installation and configuration of VSDM. No other changes are necessary to run VSDM on a 64-bits system other than configuring the server correctly.