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When you try to install or uninstall the agent for System Center Operations Manager 2007 you may receive the following error message:
    Fatal error during installation
You may also see one of the following events in the Application event log:
Event Type: Information
Event Source: MsiInstaller
Event Category: None
Event ID: 11725
Date: N/A
Time: N/A
User: Domain\User
Computer: ComputerName
Description:
Product: System Center Operations Manager 2007 Agent -- Removal failed.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 7b 45 37 36 30 30 41 39 {E7600A9
0008: 43 2d 36 37 38 32 2d 34 C-6782-4
0010: 32 32 31 2d 39 38 34 45 221-984E
0018: 2d 41 42 38 39 43 37 38 -AB89C78
0020: 30 44 43 32 44 7d 0DC2D}
-----
Event Type: Information
Event Source: MsiInstaller
Event Category: None
Event ID: 11708
Date: N/A
Time: N/A
User: Domain\User
Computer: ComputerName
Description:
Product: System Center Operations Manager 2007 Agent -- Installation operation failed.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 7b 45 37 36 30 30 41 39 {E7600A9
0008: 43 2d 36 37 38 32 2d 34 C-6782-4
0010: 32 32 31 2d 39 38 34 45 221-984E
0018: 2d 41 42 38 39 43 37 38 -AB89C78
0020: 30 44 43 32 44 7d 0DC2D}
Also, if you try to get windows installer log with the msiexec.exe /q /i "MOMAgent.msi" /l*v "C:\Agent\MOMAgent_install.log" USE_MANUALLY_SPECIFIED_SETTINGS=0 command you will see the following error message:
    GetComputerDomain: NetWkstaGetInfo failed. Error Code: 0x8007085A.
This can occur if the Workstation service is disabled on the target system.
To resolve this issue, enable the Workstation service and perform the installation or uninstallation procedure again.
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