XWEB: How to Disable the Multimedia Button in OWA

This article describes how to disable the Multimedia button in Outlook Web Access (OWA) for Exchange 2000.

When you disable the Multimedia button in OWA, you prevent external users from using large amounts of bandwidth to download multimedia files over wide area network (WAN) links.

NOTE: If you deploy Exchange 2000 Server in a Front End/Back End (FE/BE) configuration, you must make the changes described in this article to both the front end server and the back end server.

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To disable the Multimedia button on an OWA server:

1. Start Registry Editor (Regedt32.exe).
2. Locate the following registry key:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeWEB
3. On the Edit menu, click Add Key, and then add the following registry value:
   Key Name: OWA
   Class;
4. Click the OWA key. On the Edit menu, click Add Value, and then add the following registry value to the OWA key:
   Value Name: DisableMultimedia
   Data Type: DWORD
   Value: 1
5. Click Start, point to Program Files, click Administrative Tools, and then click Services.
6. Right-click World Wide Web Publishing Service (W3SVC), click Restart, and then click OK.