Corrupt MDF Files Restricts the Setting of SQL Server Database Online

For proper execution of your database system, it is essential to manage and keep it updated. Most of the business oriented people prefer MS SQL database for efficient management of data. It stores huge amount of data in secured manner and offers easy accessibility. You can perform various operations on your data with the help of query languages and varieties of command. It offers you facility to set the SQL server database online or offline so that different users can easily modify and access the database depending upon the privileges. Due to this facility SQL is highly preferred for any official database management system.

But at times it happens that SQL ‘Alter Database mydb Set Online’ command fails to set the database online and you are unable to perform the operations. It has been that most of the SQL users face below error messages while setting SQL server database online.

Msg 5171, Level 16, State 1, Line 1

E:\Data\mydb_log.ldf is not a primary database file.

Msg 5171, Level 16, State 2, Line 1

E:\Data\mydb.mdf is not a primary database file.

File activation failure. The physical file name “E:\Data\mydb.mdf” may be incorrect.

Msg 945, Level 14, State 2, Line 1

Database ‘mydb’ cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details.

Msg 5069, Level 16, State 1, Line 1

ALTER DATABASE statement failed.

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Once the error appears you are unable to set the SQL server database online

The major cause for the occurence of above scenario is the presence of corrupted or damage database files. But, can you ever think why such sort of cumbersome situation takes place in midway? What are the reasons behind it? No, is this your answer! Well, then don’t worry. Lets have a look.

Causes Responsible for Damage SQL Database & MDF Files

  • Improper shut down of system
  • Corrupt SQL index
  • Damaged file header
  • Malfunctioning of application
  • Virus infection

When the MDF file gets corrupted it becomes inaccessible and SQL server is unable to read its data. Hence, users are unable to set the SQL server database online. Now, to resolve this problem and to reaccess your database files, one should have to repair the damaged database. For this you can use DBCC CHECKDB utility. But, what if it fails to resolve the problem? Its really going to be a panic situation for anyone of us.

Best Alternative to Fix MDF Corruption

In order to resolve the issue, one can make use of MS SQL Database Repair Software. It advance recovery console will safely repairs and restores SQL database. Beside that, the software also well to rectify problem related to SQL table, triggers and relations. Further, the tool also offer very easy to use interface along with better working environment. So, what are you looking for! Just try it out and get the problem be solved.

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