The following errors are thrown when trying to upgrade the Import Service on a Web-Front-End server:
"WriteIIS7ConfigChanges: Error 0x800700b7: Failed to Commit IIS Config Changes."
And ...
"Error 2827: The button Use existing application pool on the radiobutton group
AppPoolGroup on dialog Quest_WixUI_ImportService_Dialog extends beyond the boundaries of the group to the right by 6 pixels The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2827. The arguments are: Quest_WixUI_ImportService_Dialog, AppPoolGroup, Use existing application pool DEBUG: Error 2827: The button Create new application pool on the radiobutton group AppPoolGroup on dialog Quest_WixUI_ImportService_Dialog extends beyond the boundaries of the group to the right by 6 pixels The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2827. The arguments are: Quest_WixUI_ImportService_Dialog, AppPoolGroup, Create new application pool"
WORKAROUND:
Look for the site in IIS manager and remove it then try reinstalling the Import Service and the error should go away. Otherwise run the following PowerShell script during installation:
