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Database Failovers in Exchange
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Database failovers are sometimes associated with maintenance windows (patching, restarting mailbox servers, etc.) A database will failover any time the connection to the active database is severed. Database failover testing will be part of regular operational maintenance of Exchange but would only occur within published maintenance windows. During maintenance windows unless otherwise specificed Tufts email is available throughout the entirety of the maintenance. |
- Clients currently connected will need to reconnected for OWA this represents a simple re-sign in, for cached client connections this should be automatically negotiated and worse case scenario is a client restart of the mail application
- Some Mac Mail clients will disassociate thier local cached copy of the mailbox and require a mailbox rebuild or worst case mailbox remapping to resolve.
- Root cause of this is unknown at this point, there have been 3 instances recognized across the university during failover testing.
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