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The following abbreviations are used on this page:
WM5PPC = Windows Mobile 5 Pocket PC
WM6Pro = Windows Mobile 6 Professional Professional

 Q. How to install MIT root certificate to Windows Mobile 5 Pocket PC and 6 Professional devices

1. Download and save MIT CA (Certificate Authority) to your computer
   1. Windows XP/Vista
      1. Internet Explorer
         1. Go to http://ca.mit.edu/mitca.crt
         2. When prompted with File Download message, choose "Save"
         3. Save the file (default name = mitca.cer) to a location that is easy to remember
   Using your desktop/laptop computer's web browser
   1. 1. 1. (e.g.
   Internet Explorer 7), go
   1. 1. 1. Desktop)
      2. Firefox
         1. Go to http://ca.mit.edu/mitca.crt
         2. When prompted with File Download message, choose "Save"
         3. Save the file (default name = mitca.cer) to a location that is easy to remember (e.g. Desktop)
2. Connect WM5PPC or WM6Pro device to the Windows PC and connect via ActiveSync.
3. Within ActiveSync application, click "Explore"
4. Copy the file from Step 3 to the device (e.g. My Windows Mobile-Based Device/My Documents/)
5. Disconnect WM5PPC or WM6Pro device from the PC. From the device, tap Start->Programs->File Explorer and locate the file copied in Step 6.
6. Tap the file to install the certificate.

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