Potential out-of-sync scenarios
The following are some of the situations in which NexJ CRM and
Exchange Server could get out of sync. If appropriate,
instructions for how to recover from such situations are
included.
Blank NexJ CRM setup
- Situation
- You have a blank NexJ CRM setup because you have only just enabled Synchronization.
- Action
- Perform an inbound snapshot to populate NexJ CRM. For large data sets, this snapshot must be staged with updates to db stats in between.
First time enabling Exchange Synchronization
- Situation
- Both Exchange and NexJ CRM are up and running and you have just enabled Synchronization.
- Action
- Perform both an inbound snapshot and an outbound snapshot,
during a low traffic period, to ensure proper
Synchronization.Note: If you enabled Batch Sync Setup this action may be unnecessary.
Exchange goes down; Synchronization is still enabled
- Situation
- The Exchange server has gone down although NexJ CRM is still running and Synchronization is still enabled.
- Action
- No action is required. NexJ CRM will catch up on its own by retrying each item when the Exchange server comes back up.
Exchange goes down; Synchronization has been disabled
- Situation
- The Exchange server has gone down and Synchronization has been disabled; NexJ CRM is still running.
- Action
- Re-enable Synchronization and, when the Exchange server is back up, perform an outbound snapshot.
NexJ CRM goes down; Synchronization is still enabled
- Situation
- NexJ CRM has gone down although Exchange is still running and Synchronization is still enabled.
- Action
- No action is required. NexJ CRM will catch up on its own.
NexJ CRM goes down; Synchronization has been disabled
- Situation
- NexJ CRM has gone down and Synchronization has been disabled; Exchange is still running.
- Action
- Re-enable Synchronization and perform an inbound snapshot.
NexJ CRM and Exchange go down
- Situation
- Both NexJ CRM and Exchange have gone down.
- Action
- No action is required. NexJ CRM and Exchange will stay in sync.
Synchronization has been disabled
- Situation
- Synchronization has been disabled.
- Action
- Re-enable Synchronization and perform an outbound snapshot followed by an inbound snapshot.
Exchange goes down and is rolled back to an older backup
- Situation
- Exchange goes down and is rolled back to an earlier
version.Note: This situation also applies to individual mailboxes.
- Action
- Perform an inbound snapshot.Note: If Synchronization was disabled, perform an outbound snapshot as well.
NexJ CRM goes down and is rolled back to an older backup
- Situation
- NexJ CRM goes down and is rolled back to an earlier version.
- Action
- No action is required. NexJ CRM will catch up and stay in sync as long as Synchronization was not disabled during this process.
Data integrity loss
- Situation
- Your data has been lost or has become corrupted.
- Action
- Clean one of the systems and then perform a full snapshot to restore the data.