Imprivata ID Serial Number Changing:

When upgrading to to the latest Imprivata app (v7.8) some Imprivata ID serial numbers changed. You will not be able to search for the App at this time in the App Store, but Imprivata asks that you do not delete the app from your mobile device. If you do delete it, you will not be able to download and install the app for some time.

If your Imprivata ID serial number was changed, you will need to enroll that new token.

Imprivata is working to resolve the issue with the app and will repost it to the App Store.