The master database is undoubtedly the most essential database of MS SQL. The primary purpose of the SQL Server is dependent on the Master database. Without this master database, you won’t be able to access the SQL database. The master database contains all the essential configuration details of the SQL Server. Whenever you’re installing the SQL Server, the system will automatically create MSDB, master, and TEMPDB system databases by default. These system databases, as well as the master database, will also create system tables, which keep the record of the other databases and users. The master.mdf physical file format will store the master database. Additionally, the transaction log file of the master database will also be saved as masterlog.ldf file. This database will be stored in a default location. But the size of the database will be small. But keep in mind that it may corrupt the MS SQL Server master database due to some common reasons. When the master database is corrupted, the system database will fail to start the user database.
Many MS SQL users face problems regarding master database corruption. Therefore, it’s best if you create a proper backup of the master database regularly so that you don’t face problems accessing the SQL server. But when the master database is corrupted, you need to rebuild the master.mdf file so that you can fix the problem. But if the corruption level of the master database is minor, you will be able to start the database but cannot access the details that are stored in the database.
If you don’t know the steps to repair the MS SQL Server master database, this article is perfect for you. Different solutions will help you repair the master database corruption. Continue reading the article to know more.

Restore and Repair MS SQL Server Master Database from Backup

If you want to restore the MS SQL Server master database connection, you need to the master database is the primary configuration of the SQL serverpay close attention to the backup. As per Science Direct, the master database is the primary configuration of the SQL server. Even though using a backup to restore the corrupted master database is easy, make sure your system has a complete backup of the master.mdf file. Consider following these essential steps:

• First, you need to launch the SQL Server Configuration Manager so that you can choose the SQL Server 2005 options.
• After that, your next step is choosing the SQL Server
• Right-click on the option and choose the properties
• When you open the properties window, you will notice the Advanced tab. Click on this to open a new page
• Now, you need to visit the Startup Parameters option and use m as a prefix before adding the existing parameter
• Then, make sure you’re starting the MS SQL Server in single-user mode

Now your next step is to restore the master database from the backup. Here are the other steps you need to remember.

• Launch the MS SQL server and open the command prompt cmd.exe from the Start menu
• When the command prompt is opened, enter SQLCMD
• Here is the command you need to remember if you want to restore the master database: RESTORE DATABASE master FROM DISK = ‘D:\Backupfolder\master.bak’ WITH REPLACE
• When you execute this command, make sure you remove the m prefix parameter so that you can easily start the MS SQL Server

This method will undoubtedly prove effective if you want to fix the MS SQL master database corruption without any problem. However, this will only work if you have a backup of the master database. Without proper backup, you won’t be able to use this step.

Rebuild MS SQL Server Master Database in SQL Server

Sometimes you might not have a proper backup to restore the MS SQL Server master database. In such cases, you might think that repairing the master database corruption of the SQL Server without backup is impossible. However, there is another method you need to try, whether you have a backup or not. Here are the steps you need to keep in mind:

• First, you need to open the command prompt of your system. After that, make sure you try to change the directories as per the location of the setup.exe file of the local server. Here is the default location:

C:\Program Files\Microsoft SQL Server\130\Setup Bootstrap\Release

• After that, you need to run this essential command in the command prompt setup:
  Setup / QUIET / ACTION = REBUILD;
• When the rebuilding process is completed, it will be returned to the command prompt without any specific message.
• If you want to want to confirm, you need to view the summar.txt log file. The location of this log file is: C:\Program Files\Microsoft SQL Server\130\Setup Bootstrap\Logs

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Alternate Solution

If none of the above-mentioned methods worked at repairing the SQL Server master database corruption, consider using a third-party mdf recovery tool. This tool will prove super beneficial in removing any type of corruption of the SQL Server. Additionally, this tool is super easy to use over the manual solution.
Defilement in the expert data set is a significant issue that can keep clients from getting to SQL Server. The fundamental data viewing login subtleties are lost when the expert data set is debased. Thus, clients can utilize the manual arrangements recommended here for SQL Server Fix Revamp Utilization. An elective arrangement is likewise proposed for non-specialized clients to fix ace information base debasement. An expert arrangement like SQL Recuperation programming can make the whole errand more straightforward and less complex. The master database is undoubtedly the most essential database of MS SQL. The primary purpose of the SQL Server is dependent on the Master database. Without this master database, you won’t be able to access the SQL database. The master database contains all the essential configuration details of the SQL Server. Whenever you’re installing the SQL Server, the system will automatically create MSDB, master, and TEMPDB system databases by default.

Conclusion

This is how you can repair MS SQL Server master database corruption. Let us know in the comment section if you have any questions.