Using Windows Mobile Device Center end users can activate Information Rights Management on compatible Windows Mobile devices. Before this can happen a simple change needs to be made.
Go in to: Mobile Device Settings > More > Connection Settings.
Change “This computer is connected to: Work Network”
The Activate IRM action will then work as long as the user can authenticate to the RMS using their domain account from their PC. Upon opening the first IRM message the user will need to authorise against the RMS, so should be connected to corporate Wi-Fi or connected by USB.
Daniel