Thursday, November 5, 2009

Resolving “Unable to process table...” Error Message

An error message while trying to mount the database might leave you in a state of shock. While the reasons for the occurrence of the errors could be many, the outcome for most of the error messages remains the same – inaccessibility of database records. One common reason for the occurrence of the error message could be corruption of sysfilegroups table. A sysfilegroups table consists of one row for each filegroup in your SQL Server database. The table is saved in each SQL Server database and there contains at least one entry for primary filegroup. For complete access of database records after sysfilegroups table corruption, an ideal way is to restore the data from an updated backup. However, if no backup is available or backup falls short to restore the required records, start looking out for an advanced SQL Recovery tool that can recover your lost data.

Consider a practical example, where you encounter the below error message when you encounter the below error message when you attempt to mount your database:

“Unable to process table O_NAME because filegroup F_NAME is offline.”

Database records become inaccessible after the above error message pops up. Additionally the database becomes inaccessible after the above error message appears.


Three main causes for the occurrence of the above error message are:

Corruption or damage in sysfilegroups table.
The file group might have been marked offline erroneously.
Some database user could have intentionally marked the file group offline.


To resolve the above error message and access the records, you will need to follow the below measures:

In case of file group offline, make it online.
In case of sysfilegroups table corruption, execute the DBCC CHECKFILEGROUP statement with appropriate clause.
If the error message still appears, restore the data from a valid backup.

However, in case of absence of an updated database backup, you will need to opt for advanced third party SQL Recovery software. Such Recover SQL tools ensure complete database repair and recovery of lost database components. With an easy-to-understand user-documentation, these tools can be used both by technical and non-technical users.

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