Install the *.p12 certificate on a Windows Mobile device or simulator and select it during  authentication.
- Launch the simulator or device.
 
- Start the Windows synchronization software and cradle the device.
 
- Use File Explorer to copy the *.p12 certificate to the simulator or device.
 
- Navigate to and double-click the certificate.
 
- Enter the password at the prompt and click Done.
 An informational window indicates the certificate installed successfully.