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

Topics on this page:

 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. For Windows XP/Vista, use 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 (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 1 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 4.
  6. Tap the file and follow on-screen instructions to install the certificate.

Q. How do I import personal certificates to Windows Mobile 5 Pocket PC devices?

  1. From your computer, backup your Personal Certificate using Mozilla Firefox:
    1. Click on "Tools -> Options"
    2. Click on "Advanced"
    3. Under "Security" tab, click on "View Certificates"
    4. Under "Your Certificates" tab, select certificate and click "Backup"
    5. Give the file a name, "myname.p12" and save (it will be in PKSC12 File format) to your Desktop. You will need to enter a password. This password can be anything, but we suggest something that can be easily entered on the mobile device.
  2. Download and install P12imprt (third-party software) to your WM5PPC device:
    1. From your computer, download p12imprt.zip file from http://www.jacco2.dds.nl/networking/p12imprt.zip"P12imprt" consists of a Pocket PC 2003 executable (also runs on Windows Mobile 5.0) called p12imprt.exe and a few other files. They are distributed in a zip file. The zip file also contains a sample certificate file user.pfx. p12imprt.zip (version 0.2, size 320 KB, released 15-Mar-2006) - (PGP sig)
    2. Copy the p12imprt.exe executable to the Windows Mobile device. You can use any method to do the transfer: ActiveSync, a flash memory card, Bluetooth, infrared etc. (The p12imprt.exe file is a Windows Mobile executable, not a Win32 executable. You cannot use it on your desktop Windows computer).
  3. Import your Personal Certificate to your WM5PPC device:
    1. Copy the certificate file (in PKCS#12 format) from Step 1 to your Windows Mobile device.
    2. Open p12imprt.exe by tapping it in File Explorer. (Note: File Explorer does not show extensions, so the file shows up as 'p12imprt' instead of 'p12imprt.exe').
    3. Enter the location of the PKCS#12 file or use the 'Browse' button. By default, p12imprt will look for the file "user.pfx" in your "My Documents" folder. (The actual pathname of that folder depends on the language version of your Windows Mobile device. In the English version, it is "\My Documents")
    4. Enter the password that was used to encrypt the PKCS#12 file. (Don't tap the "Enter" key in the virtual keyboard, otherwise the program will exit). You should see a message reporting the total number of (Personal, Root, Intermediate CA) certificates that have been imported.
    5. Exit P12imprt by tapping "Ok".
    6. You may need to perform "soft-reset" on the device for the personal certificate to take effect.

Q. How do I remove a personal certificate from a Windows Mobile 5 Pocket PC devices?

On the device:

  1. Click on "Start", then click "Settings".
  2. Click on the "System" tab at the bottom.
  3. Click on the "Certificates" icon.
  4. Click on the "Personal" tab at the bottom.
    1. You should see a "Client CA v1" with a date within the "Issued By" field.
  5. Click on and hold the "Client CA v1", and you should receive one option "Delete".
  6. Click Delete.
  7. Click "Yes" to the Warning Message about permanently deleting the certificate from the device.
  8. Click "Ok"

Q. How do I import personal certificates to Windows Mobile 6 Professional devices?

  1. From your computer, backup your Personal Certificate using Mozilla Firefox:
    1. Click on "Tools -> Options"
    2. Click on "Advanced"
    3. Under "Security" tab, click on "View Certificates"
    4. Under "Your Certificates" tab, select certificate and click "Backup"
    5. Give the file a name, "myname.p12" and save (it will be in PKSC12 File format) to your Desktop. You will need to enter a password, this password can be anything but we suggest something that can be easily entered on the mobile device. (e.g. letter or numbers).
  2. Move the exported personal certificate to the WM6PRO device:
    1.  Connect the WM6PRO device to the computer, then connect ActiveSync for Windows or MissingSync for Mac OS X.
      1. Within ActiveSync on Windows, click Explore.
      2. Within Missing Sync on Mac OS X, click Mount.
    2. Copy the exported personal certificate from the Desktop to the device (e.g. My Windows Mobile-Based Device/My Documents/).
  3. Disconnect the WM6PRO device from the computer. On the device tap Start > Programs > File Explorer and locate the personal certificate copied.
  4. Tap on the personal certificate, you will the be asked for the password (refer to step 1e), then press Done. You should receive a message saying "One of more certificates were installed successfully.

Q. How do I remove a personal certificate from a Windows Mobile 6 Professional devices?

On the device:

  1. Click on "Start", then click "Settings".
  2. Click on the "System" tab at the bottom.
  3. Click on the "Certificates" icon.
  4. Click on the "Personal" tab at the bottom.
    1. You should see a "Client CA v1" with a date within the "Issued By" field.
  5. Click on and hold the "Client CA v1", and you should receive two options. 1) View 2) Delete
  6. Click Delete.
  7. Click "Yes" to the Warning Message about permanently deleting the certificate from the device.
  8. Click "Ok"
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