Symptom
HA will fail with the following message:
> show failover history details
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From State To State Reason
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06:13:11 UTC Jul 8 2020
Not Detected Negotiation No Error
06:13:15 UTC Jul 8 2020
Negotiation Cold Standby Detected an Active mate
06:13:16 UTC Jul 8 2020
Cold Standby App Sync Detected an Active mate
06:16:22 UTC Jul 8 2020
App Sync Disabled CD App Sync error is ABORT_HA_DEPLOYMENT <<<<<<
Conditions
HA pair on firewpower using FDM
Workaround
After the AppSync failure, Resume HA from FDM UI works fine.
Further Problem Description