"The file you are trying to open is in a different format" message (4286162)

When an attempt is made to save search or analysis results to an Excel file via the ReportViewer toolbar, the following message is displayed:

The file you are trying to open, '[file_name].xls', is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?

Security settings are insufficient for the ControlPoint service account's Temp folder on the web front-end server.

1. Log into the web front-end server where ControlPoint is installed.
2. Navigate to the ControlPoint servive account's Temp folder (e.g. C:\Users\spsvc\AppData\Local\Temp).
3. Make sure the Authenticated Users group has Full Control permissions.