You recieve the following error when running the Windows Mobile Devices gathering - The following error occured in initializing a data source for a given gathering: Unknown data source.
This can happen when running the Windows Mobile Device gathering on a second task processor and the Windows Mobile Task Processor was not installed.
On the server where the you are running the Windows Mobile Devices gathering from please do the following.
1) Run the installer for the Windows Mobile Report Pack.
2) Deselect all parts except for Task Processor.
3) Complete the installation wizard.
After the installation complete please try running the Windows Mobile Devices gathering again.