Friday, October 16, 2009

Tips to resolve “Unable to process index...” Error message

Filegroups in Microsoft SQL Server are primarily used to group database files to use them in an easy and simple way. A system administrator can create particular filegroups for each hard drive attached in the system and assign tables, indexes, text from a particular table to them. While these filegroups can be easily accessed, the possibilities of their corruption always remains. In such situations, the best way to access the data is by restoring it from an updated and valid backup. However, in case of no backup availability or backup failing short of restoring the desired information, then you will need to use advanced SQL Repair software that can completely repair your corrupted database and recover its components.

Consider a practical instance, where you receive the below error message when you attempt to open your SQL Server database:

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


The root cause for the occurrence of the above error message is that filegroup Ids stored in the metadata for an index do not exist, so that index can not be checked.


Below are certain resolutions that enable you to resolve the above error message:

Error 2522 could be a result of hardware malfunction. In this case, you will need to check your computer system, Windows error logs, and SQL server. To resolve the hardware problem, you will need to swap the old hardware components with new hardware components.
However if the error message is not occurring due to hardware problems, then you can restore the database from an updated backup.
But if in case, you have not maintained any backup, then you will need to execute the DBCC CHECKDB command to repair the corrupted database.

In most cases, the above resolutions resolve your issue and your SQL database becomes accessible. But, if all the above resolutions fall short and the error message still remains, then you will need to use advanced SQL Recovery application that can repair your corrupted database. Such SQL Repair tools use high-end scanning methods to repair the corrupted database. Built with highly interactive user-interface, these tools are easily understandable without any prior technical knowledge.

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