Event ID 2156 is logged on a computer that is running Exchange Server 2010
Log Name: ApplicationSource: MSExchangeReplEvent ID: 2156Task Category: ServiceLevel: ErrorKeywords: ClassicUser: N/ADescription:The log copier for database '<database name>' could not send a log file to server '<target server which hold the passive copy>' because an I/O error occurred while attempting to access file '<database log file>' on source server <the server which holds the active copy>. Error: The request could not be performed because of an I/O device error.After this error message is logged, you cannot move the database or copy a log file.
Note This problem may be caused by a hard disk issue. You can determine whether this problem is caused by a hard disk issue by checking the system event logs. If this problem is caused by a hard disk issue, change the hard disk and install the hotfix that is mentioned in the "Resolution" section.
For more information about Update Rollup 2 for Exchange 2010, click the following article number to view the article in the Microsoft Knowledge Base:
Article ID: 980262 - Last Review: 03/04/2010 23:55:47 - Revision: 1.0
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