2522

Product Name

Event ID

2522

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic Name

DBCC_INDEX_FILEGROUP_IS_INVALID

Message Text

Unable to process index I_NAME of table O_NAME because filegroup F_NAME is invalid.

This informational message indicates that the index cannot be checked because one of the

filegroup IDs that is stored in the metadata of the index does not exist. The filegroup ID that is

not valid might pertain to the data itself, or to the large object (LOB) data, or to the row-

overflow data.

If there are no problems, all other indexes of the same object will be checked.

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.

If you have persistent data corruption problems, try to swap out different hardware

components to isolate the problem. Check to make sure that the system does not have write-

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