Tips To Resolve table Error: Iam Chain Linkage Error... Error Message

IAM (Index Allocation Map) pages in SQL Server database tracks nearly 4GB file space

to store critical Extent information belonging to a particular entity. These IAM pages are have to be linked together in case an entity needs many IAM pages to track all the Extents. The linking of all IAM pages is termed as IAM chain. Corruption or damage in IAM chain can occur due to unexpected shutdown of SQL Server, metadata structure corruption, operating system damage, and virus hit. In most of these situations, the database becomes unmountable making all the records saved in it inaccessible. A complete and updated database backup acts as a boon by restoring all the records. However, in case of database backup unavailability or backup falling short to restore the required data, start searching for an advanced third-party sql database repair application.

As a practical case, the below error message pops up when you attempt to access the records stored in your database:

Table error: IAM chain linkage error: Object ID O_ID, index ID I_ID. The next page for IAM page P_ID1 is P_ID2, but the previous link for page P_ID2 is P_ID3.

After the above error message pops up, the data stored in your database becomes inaccessible. In addition, you encounter the same error message every time you attempt to access the records stored in your database.

Cause

The above error message pops up when there is a break in the IAM chain for a specified Index. This can happen due to logical or physical crash.

Resolution

The resolution of the above error message can be achieved by taking below measures:

.For physical damage, change the damaged system component with a new one.

.For logical crashes, run DBCC CHECKDB command (with correct repair clause).

Swapping the damaged hardware component is a complete solution to overcome all physical corruption scenarios. However, DBCC CHECKDB command is not a comprehensive solution in all logical corruption situations. To access data after all database corruption scenarios, opt for a powerful SQL Repair software. These software employ advanced scanning methods to scan your corrupted database and repair them to the maximum possible level. Such SQL Database Repair tools are non-destructive in nature.

SQL Recovery is an outstanding application that orderly repairs corrupted SQL databases created in SQL Server 2008, 2005, and 2000. Designed for Windows Vista, XP, 2003, 2000 and NT operating systems, the ms sql repair software recovers tables, stored procedures, views, and similar database components.

by: Adishree Singh

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