Unable to install auto accept agent on exchange 2003 - AC

tlcsupport used Ask the Experts™
I'm unable to install auto accept agent on exchange 2003 server, get following error:
There is a problem with the windows installer package, and that a program run as a part of the package did not finish as expected
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1.    Do you receive the same error while installing all the programs?
2.    Since when are you facing this issue?
3.    Did you make any changes to the computer before this issue started?
However, you may follow the steps provided below and check if you can fix the installation issue.
Method 1:
The 1722 error message is a general installer error message. You may unregister Windows Installer, and then reregister Windows Installer
 To do this, follow these steps:
a. On the "Start" menu, click "Run”.
b. In the "Open" box, type"msiexec /unreg", and then press ENTER.
c. On the "Start" menu, click"Run".
d. In the "Open" box, type"msiexec /regserver", and then press ENTER.
Method 2:
If you are having issues in installing only WSE 3.0, I suggest that you run the installation of the program as an Administrator.
a. Right-click on setup.exe and select "Run as an Administrator".


Installing Auto Accept Agent
When you run the Auto Accept Agent installation wizard, Auto Accept Agent is installed on your computer and is registered as a Component Object Model (COM+) component.

To verify that Auto Accept Agent is registered as a COM+ component
Start Component Services.

Expand Console Root, expand Component Services, expand Computers, expand My Computer, and then click COM+ Applications.

In the details pane, verify that Auto Accept Agent is present. If Auto Accept Agent was installed to run as Local System, it will also appear in the Services snap-in


No changes were made to server, I was able to install exchange service pack 2, started to occur 3 days ago

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