Loss of Performance or Functionality in Microsoft Exchange

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1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add/Remove Programs.
3. Click the Windows Setup tab.
4. Click the Microsoft Exchange check box to clear it.
5. Click OK.
6. Reinstall Microsoft Exchange. To reinstall Microsoft Exchange, repeat the above steps, but select the Microsoft Exchange check box in step 4.

1. Uninstall Microsoft Exchange using the above steps.
2. Double-click the My Computer icon on the desktop.
3. Double-click drive C.
4. Double-click the Program Files folder.
5. Double-click the Microsoft Exchange folder.
6. On the Edit menu, click Select All.
7. On the File menu, click Delete.
8. If there is a Windows Messaging folder, repeat steps 1-7, but double- click the Windows Messaging folder in step 5.
9. Reinstall Microsoft Exchange, creating new .PST and .PAB files. To reinstall Microsoft Exchange, follow these steps:
   
   
   1. Click Start, point to Settings, and then click Control Panel.
   2. Double-click Add/Remove Programs.
   3. Click the Windows Setup tab.
   4. Click the Microsoft Exchange check box to select it.
   5. Click OK.
10. Test for functionality and performance. If it is acceptable, create a new profile with the original .pst and .pab files.