Exchange Server Specific Error 4294966278

SYMPTOMS
The information store stops unexpectedly and you are not able to restart it. An error message similar to the following may be displayed when you attempt to restart the information store:

Server specific error 4294966278 (JET_errReadVerifyFailure).

This error can occur when there are numerous uninitialized pages or if the computer that Exchange Server is installed on is having hardware problems. Some of these problems can be related to a RAID controller failure,bad sectors on a hard drive or that that the private information store file has developed "page errors" over time.

Remember to always back up your database file before attempting any repair.

CAUTION: Repairs to the database using the eseutil /p switch, deletes pages (increments the repair count) and the database is not stable and reliable after that.

The following are symptoms that can occur if you use the repaired database in production:

The information store either does not stop or stops responding.
The information store stops accepting mail from the message transfer agent (MTA).
E-mail remains in the Outboxes of the users.
The Store.exe program runs with very high CPU use with no load on the server.
The Store.exe program generates an access violation if there is a heavy load.
Users cannot open e-mail attachments or e-mail messages.
If you have to run a hard repair (eseutil /p) on your production database, Microsoft recommends that you move the data out of the repaired database to a new database.

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