This article was previously published under Q322126
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On a cluster server, neither MAPI nor non-MAPI clients can connect to the mailbox store. The Application event log is full of event ID 482 and event ID 1159 errors. Both of these events indicate that the information store cannot access the database. These events are logged for all storage groups.
NOTE: There is no indication of hardware failure in the System logs.
The following are the descriptions of an event ID 482 and of an event ID 1159:
Source ESE EventID 482 Description Information Store (3080) An attempt to write to the file "G:\EXCHSRVR\MDBDATA\S3-SG1-MS2-Std.edb" at offset 10889854976 (0x0000000289160000) for 4096 (0x00001000) bytes failed with system error 21 (0x00000015): "The device is not ready. ". The write operation will fail with error -1022 (0xfffffc02). If this error persists then the file may be damaged and may need to be restored from a previous backup.
Source MSExchangeIS EventID 1159 Description: Database error 0xfffffbbe occurred in function JTAB_BASE::EcSetCurrentIndex while accessing the database "S4-SG2\S4-SG2-MS5-Std".
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The English version of this fix should have the following file attributes or later:
NOTE: Because of file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 2.
Shut down and then restart the passive node.
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 3.