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Wednesday, January 16, 2008

PollingInterval

BCM checks (polls) the database regularly to see if any data has changed. This is expecially useful with shared databases, to automatically pickup changes others have made.

BCM's default polling interval has been one second. That's good in the sense that every BCM client picks up any changes within one second or so. But it can stress the database is there are many changes and every BCM client requeries the database to refresh folders and so. If the shared database is on your desktop you've probably noticed the performance difference from other users' BCM clients hitting the database.

In BCM v3 Service Pack 1 the polling interval was increased to one minute. That should decrease database activity in busy offices, but clients may not get updated with changes for a minute.

If you want play around with the polling loop frequency, you can set its value and experiment.

BCM checks in the Registry for a poll interval value, and uses that value if it finds one.

Add PollingInterval to the default BCM Registry folder for a user and give it a number value in seconds; i.e.:

HKCU\Software\Microsoft\Business Solutions eCRM\PollingInterval

Note that's in the user hive, so different users of a machine can set a PollingInterval without affecting other BCM users on that PC.

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