Thursday, November 03, 2005

Jet Database Errors in Exchange

JET errors we get in Exchange, in order of excitement !

Error -1012 - JET_errOutOfDatabaseSpace

Maximum database size reached.. In 5.5/2k/2k3 standard edition, a paultry 16 Gb never went far. With the release of SP2 for Exchange 2003 though this has been ramped up to 75 Gb so we should not see this again.

Error -1018 - JET_errReadVerifyFailure

Checksum error on a database page. Rather vague but possible hardware fault in most cases.

Error -1019 - JET_errPageNotInitialized

Blank database page. There used to be data there, but not now.

Error -1020 - JET_errOutOfFileHandles

When exchange tried to use the database, windows thought it had various files open already and wouldn't give up any more. Bad windows...

Error -1022 - JET_errDiskIO

The disk IO error is rare but if it does rear its ugly head, it's very hardware'y and not exchange.

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