If possible, use the Intra2net system's ActiveSync function to establish a direct connection between the Intra2net system and the mobile device without going through Outlook. This allows data on the mobile device to be updated while on the move. Furthermore, Outlook will not need an add-in which may cause problems.
The configuration of ActiveSync between the Intra2net system and mobile devices can be found explained in 33. Chapter, „Connecting Mobile Devices using ActiveSync“.