Workaround

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To work around this problem, turn the feature to use regional characters on. To do this, follow these steps:

1. Click Start, click Run, type Services.msc, and then click OK.
2. Stop the MSExchangeIS service.
3. Stop the W3SVC service.
4. Click Start, and then click Run.
5. In the Open box, type regedit.
6. Locate the following key in the registry:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeWEB
   
   \OWA\UseRegionalCharset

7. On the Edit menu, click Modify.
8. In the Value Data box, type 1, and then click Exit.
9. On the Registry menu, click Exit.
10. Restart the MSExchangeIS service.
11. Restart the W3SVC service.

Note If the registry key does not exist on the server, you can create it. To create the registry key, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following key in the registry:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeWEB\OWA

3. Click Edit, click Add Value, and then type the following information in the Value box and in the REG_DWORD Data box:
   
   Value: UseRegionalCharset
   REG_DWORD Data: 1
4. Click OK, and then quit Registry Editor.