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How to remove service packs in Exchange 2003?

By Blue screen ·
Is there a way to remove service packs after you install them in Exchange?
What are the procedures?

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by jdgretz In reply to How to remove service pac ...

You don't say which SP you want to uninstall - but here is the answer for SP1:

To remove SP1 using a command prompt

1. Open a command prompt and type:


2. Type Spuninst.exe /option. Replace option with any of the options in the following table.

3. Press ENTER to continue, and then follow the instructions that appear on your screen.
Option Description

/U Removes the service pack in unattended mode. If you use this option, only critical error prompts appear while you uninstall SP1.

/Q Removes SP1 in quiet mode, which is the same as unattended mode except that the user interface is hidden. If you use this option, no prompts appear while you uninstall SP1.

/Z Does not restart the computer after the process of uninstalling SP1 is complete.

/F Forces other applications to close when the computer restarts after uninstalling SP1.


If you choose to remove SP1, a dialog box displays a list of the applications that you installed after you installed SP1. If you continue to remove SP1, these applications might not work correctly.

As for SP2 -

Read the release notes for SP2 to ensure a successful SP2 installation. This service pack cannot be uninstalled.


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by jdgretz In reply to

My answer came to you from the Microsoft Support site - if you are looking to uninstall Exchange SP2, looks like you are out of luck - at least according to the folks who wrote the patch.


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by Blue screen In reply to How to remove service pac ...

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