2515

Product

Name

Event ID

2515

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic

Name

DBCC_DIFF_MAP_OUT_OF_SYNC

Message Text

Page P_ID, object ID O_ID, index ID I_ID, partition ID PN_ID, alloc unit ID A_ID type TYPE

has been modified but is not marked modified in the differential backup bitmap.

The page specified has a log sequence number (LSN) that is higher than the differential

reference LSN in the BackupManager of the database, or the differential base LSN in the file

control block of the file, whichever is more recent. However, the page is not marked as

changed in the differential backup bitmap.

Only one page per database will be reported, because this check is only performed when the

differential bitmap is known to be error free.

Run hardware diagnostics and correct any problems. Also examine the Microsoft Windows

system and application logs and the SQL Server error log to see whether the error occurred as

the result of hardware failure. Fix any hardware-related problems that are contained in the logs.

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