Environment
- App Control Server: All Supported Versions
Symptoms
Error received on App Control Server Upgrade:
Warning: Previous upgrade attempt failed with irrecoverable errors.
Full database restore is recommended before proceeding further.
Do you still want to continue without restoring your database?
Cause
When App Control is upgrading it creates a configuration in the database named "tmp_dbupgrade_step". When the upgrade is done it removes this configuration. This error indicates that a previous upgrade attempt did not fully complete, therefor the flag was never removed.
Resolution
Perform a database restore from prior to the last upgrade attempt.
Additional Notes
Serverinstall-<date>.log will show when the error occurred and during which part of the upgrade. Similar to the below:
UPGRADEDB: One of the steps in database upgrade failed (error executing migrate).
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