How to Fix Error 5171 in Microsoft SQL Server Database?

Error 5171 in Microsoft SQL Is your MS SQL database display 5171 error while you trying to access your SQL file? OR error message is appears all time when you try to access your stored information. If you want to fix this error then read the given information carefully. It is very popular database because through this database any company can easily manage and store their information. Many companies are appointing a professional database administrative to handle and manage their database they maintaining the database by the applying suitable SQL server commands.

Corruption occurs in Microsoft SQL server database sue to many problems such as improper system shutdown, SQL Server malfunctioning, hardware failure, virus infection, hardware failure and many more. Due to corruption SQL database gets totally inaccessible and user can not access a bit of stored information. This corruption can be fixed by using a recently created backup file, if you have any updated backup file of your SQL database then by restoring it you can easily fix this type of error or SQL corruption.

Think that you or a database administrator is working on SQL database to create a report and during the progress of this task power cut occurs and system get shutdown improperly after sometime when electricity come and you start computer SQL database become inaccessible. This happens due to improper system shutdown during the process of MS SQL database, in the situation MDF file of SQL database become corrupt and due to it all database gets inaccessible. When user tries to attach MDF file manually, SQL database display error message given bellow:

An exception occurred while executing a Transact-SQL statement or batch. _db.mdf is not a primary database file. (Microsoft SQL Server, Error: 5171).


C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\MYDATABASE.mdf is not a primary database file. (Microsoft SQL Server, Error: 5171)

To avoid such situation many database expert recommends to attach a single file, but when user apply sp_attach_single_db Stored Procedures database display the given below error message:

 “Server: Msg 5172, Level 16, State 15, Line 1 The header for file path……\.mdf is not a valid database file header. The PageAudit property is incorrect.”

The above given error normally occurs if the file header of the Master database gets damaged or corrupted. This error also occurs if any invalid value is inserted in the master database header file. All the above given scenario and error will make your database completely inaccessible or corrupt and to make your SQL database error free you have to use any updated backup file. Simply restore the MDF backup file and make your SQL file error free.

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But this simple restoration steps turns difficult when user has not created any backup of its SQL server database, without backup file it is very difficult to make SQL MDF file error free. And here comes MDF file repair, this effective and efficient tool can able to fix all types of MDF error. Use this SQL recovery application and restore SQL database without need of any backup file. This software is based on advanced scanning algorithms that repair and recover corrupted mdf file. It is also compatible with SQL server 2008, 2005, 2000, and 7.0. So it is recommended that apply this efficient tool and recover your precious SQL data.

Steps to Fix Error 5171 in Microsoft SQL Server Database

Step 1: Stop the running MS SQL server. Perform the repair task on the copy of the corrupt database, click on the ‘OK’ button to continue.
Step 2: Click on the ‘Select database’ button and select the path of corrupt MDF file. You can also search your corrupt database file by using ‘Look in’ and ‘File Type’ button. click on the ‘Scan file‘ button to start the repairing process.
Step 3: The recoverable objects of database are listed in a tree view on the left side of the window. You can see the preview by clicking on the object.
Step 4: You can also search for a particular object by using ‘Find item’ option. Write the object name or a part of the object name in the given text box, check on ‘Match case‘ or ‘Match whole word‘ and then click find next button.
Step 5: Click on the ‘Start Repair’ icon. A dialog box will appear fill the SQL server instance name. To save the repaired file in the desired location click on the brows button and give the path, else the repaired file will be saved in the ‘Default SQL Location’. Click on the ‘OK’ button.