Monday, December 28, 2009

DPM installation and Error ID:820

The DPM installation process stops with the following error message:

Setup cannot query the system configuration. Error ID:820


1. Make sure the following “backward compatibility" components of IIS 7 are installed on the server:

    • IIS 6 Management Compatibility
    • IIS 6 Metabase Compatibility
    • IIS 6 WMI Compatibility

2. Uninstall all IIS components and re-install all re-required IIS components

3.  Make sure the SQL Agent and SQL Server services are running

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