Lync 2010 – Error while installing WebComponents.msi


When configuring certificates for a lync 2010 environment, I noticed that I made a typo. Failing to correct the problem via the topology builder, I had to uninstall the lync software. After correcting my typo, the installation failed to install. This was the error I got:

image

After doing some digging I noticed also an event in the eventviewer:image

Opening the log file as mentioned in the event, it turned out I had something to do with an duplicate entry in the applicationhost.config.

image

As stated in the error it had something to do with a duplicate entry at line 421. Opening the applicationhost.config learned that line 421 didn’t had anything to do with lync. The trick was to find OCSAuthHelperModule:

bitness64″ />

After deleting this entry, the installation went perfect!

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8 thoughts on “Lync 2010 – Error while installing WebComponents.msi

  1. Pingback: Error returned while installing WebComponents.msi | UCDaily.net

  2. Great, Thanks You, issue because of previous installation did with other user,

    also make sure to delete only

    and do not delete

    Thank you for great help

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