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Showing posts with the label Core

MobileIron Core and Sentry Upgrade experience

Recently i have attempted to upgrade MobileIron Core from 7.x and Sentry 7.x latest version. Here is my experience with the product and upgrade, i hope this will be useful to MI Admin. Prerequisites: 1. Ensure you have console access to MI Core and Sentry access. 2. Ensure you can connect using Putty to MI Servers. 3. Ensure you have admin credentials to the server. Attempt 1  We decided to upgrade using following plan with the rollback plan i.e Snapshots. Upgrade Core from 7.0.0.1 to 8.0.1.0. Upgrade Sentry from 7.0.1 to 7.5.1 Upgrade Core from 8.0.1.0 to 9.0.0.0 Upgrade Sentry from 7.5.1 to 8.0.1.  Upgrade Core from 9.0.0.0 to 9.1.0.0 Outcome : Failed ! MobileIron Core upgrade failed with schema mismatch error. It seems MI databases have multiple entries that needs to added,deleted, amended to resolve schema mismatch issues. MI Support informed this is issue across the board.  Learning 1 - Never attempt to upgrade without snapshot ! Learning 2 - Keep M