To set a 64-bit mode IIS installation to 32-bit mode
- Open a command prompt and run the adsutil command. To do this, click Start, clickRun, and then type cmd.
- Type the following at the command prompt: cscript c:inetpubadminscriptsadsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 1.
- Close the command prompt.