Repair & Resolve MSSQL Error 8942

 

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How to resolve error 8942 of SQL Server database

 

Being an SQL user, you might have experienced database corruption in its multiple forms. Sometimes, the database corruption could be a deceptive one. It may strike instantly or could make you wait for weeks until you face some corrupt objects in your database. Most of the time, corruption occurs due to power failure, hardware malfunction, file system damage, etc. These problems threaten the integrity of data stored in the database and ultimately lead to data loss.

 

One of the most common error messages indicating table corruption in MS SQL Server is Error 8942 that states:

 

"Server: Msg 8942, Level 16, State 1 Table error: Object ID O_ID, index ID I_ID, page P_ID. Test (TEST) failed. Slot S_ID, offset 0xADDRESS overlaps with the prior row"

 

A primary reason behind the occurrence of this error is the overlapping of slots. In this case, the offset of slot S_ID is found to be less than that of the previous slot. The 'Test' results show that the value of the sorted offset is less than the expected value 'max'.

 

The above error reflects that the table structure is damaged. This is possibly caused due to a hardware malfunction. You can check for hardware related issues in the system, application, or SQL Server error logs. If you find hardware errors, fix this problem by running hardware diagnostics. If the problem is severe, you need to replace the damaged hardware component.

 

Another solution would be to use DBCC CHECKDB for verifying the logical and physical integrity of all objects in the database. First, you should determine the extent of corruption and then use this command with an appropriate repair clause to fix corruption.

 

Error 8942 recovery can also be performed using a recent/updated backup of your database. If you do not have any hardware problems, take a clean backup and try restoring the database from this backup.

 

If the above remedies are unable to repair error 8942, use Stellar Phoenix SQL Recovery software. Stellar Phoenix SQL Recovery is proficient and adept at repairing damaged SQL databases and safely retrieving all lost or inaccessible objects, including tables, views, triggers, user-defined functions, stored procedures, etc. The interactive 'Update' wizard allows installation of regular updates and thereby, enables you to access all the latest software features. Furthermore, the software is compatible with Windows 7, Server 2008, Vista, Server 2003, XP, and 2000.

 

 

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