Users migrating to iOS 5 might lose their current VIP token unless they upgrade to the latest version to VIP PRIOR to the OS upgrade.
The new token issuance was caused by the changes in storage and handling of key material in new iOS 5. The storage area in which we kept the seed in iOS 4 is no longer accessible from iOS 5. If the user upgrades to the latest version of VIP prior to the OS upgrade, the application automatically moves the seed from old storage to the new and user is able to keep their current token. If user upgrades to iOS 5 and then upgrades the VIP application, we no longer have access to the old key store and will re-provision VIP application with the new seed.
Imported Document ID: SO18386
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