How do I fix SQL Server error 3930?

Summary: The SQL Server Error 3930 is generated due to the log file inconsistencies. It can create huge chaos as the work gets interrupted and the database is affected. Also, DBA administrators often get worried whenever this error occurs. So, this guide focuses on error 3930 and its causes and symptoms. Also, it states appropriate solutions to resolve the error cost-free or using DatabaseFileRecovery SQL Log Recovery Software. 
Download Now Purchase Now

About Microsoft SQL Server Error Code 3930

An SQL Server DB has three types of files, among which the transaction log file (LDF) is used for analysis. It helps to track the modifications made in the database and also deals with its inconsistencies. But what if the log file gets inconsistent? A faulty log file is of no use and can create errors and result in data loss. Some major symptoms to detect the log file inconsistencies are:

• The SQL database gets stuck in recovery mode.
• Storage issues and problems with MDF and LDF files.
• Slow performance and a damaged or corrupted database.
• Constant events of data loss or file corruption.

Hence, these issues indicate that the log file is facing errors. Let’s find the causes behind it.

How Does SQL Server Error 3930 Occur?

The SQL Error 3930 SQLSTATE S0001 generally arises due to the following reasons:

• Hardware failure due to bad sectors, non-maintenance of server, etc.
• Compatibility issues in the software, bugs, or false configurations.
• Executing incorrect or wrong operations and false queries.
• Attacks due to SQL injections, viruses, malware, ransomware, and others.
• Network problems, abrupt power or system shutdown, and outages.
• Locking of SQL transactions or deadlocks in the SQL Server.

Identifying the root causes for the occurrence of the error can help to resolve them quickly. The next section discusses many solutions for the error fix.

Techniques to Resolve Error 3930 in SQL Server

Similar to the two ways to fix Microsoft SQL Server Error 4014, Error 3930 can be resolved manually or professionally. Go through the detailed step-by-step procedures below.

Troubleshooting SQL Server Error 3930 Solutions

There are three manual methods to troubleshoot error 3930 and recover the log file data. Follow the steps carefully for the best outcomes.

Method 1: Recover Transaction Log Data from Backup 

1. Check your SQL Server for the last backup and use the Restore command to bring data back.
2. Afterward, run the DBCC CHECKDB command to find and fix inconsistencies.

Method 2: Repair LDF File to Resolve 3930 Error in SQL 

1. Run the CMD window that is connected to the SQL Server instance.
2. Input the command ALTER DATABASE DbName SET SINGLE_USER WITH ROLLBACK IMMEDIATE; and press Enter.
3. It will put the database in single-user or emergency mode.
4. Further, run command DBCC CHECKDB (‘DbName’) WITH REPAIR_ALLOW_DATA_LOSS to repair the file.
5. In the end, run the command ALTER DATABASE DbName SET MULTI_USER to set data back to multi-user mode.

Method 3: Rebuild Transaction Log to Fix SQL Server Error 3930

1. Detach the SQL Server database and delete the transaction logs.
2. Afterward, reattach the transaction log and rebuild the database.
3. Finally, run DBCC CHECKDB to check the consistency of the database.

By following the above-given manual solutions, you can fix the issues. However, these methods aren’t entirely accurate solutions and have some cons. These are:

• Technical knowledge is necessary to run the commands and perform operations.
• If you haven’t created a backup earlier, restoring from backup is impossible.
• There are chances of data loss in the methods if any step or command goes wrong.

So, to prevent any major issues and data losses, it is better to use an expert solution.

Advanced Tool to Resolve Microsoft SQL Server Error 3930

If you are not comfortable with the manual methods, use the DatabaseFileRecovery SQL Log Recovery Tool to resolve the error. It is an excellent utility to repair SQL LDF and MDF files with its advanced recovery solutions. The tool keeps the folder structure intact and imposes no size limitations. Additionally, it provides options to save the recovered database in a database or as scripts on the PC. Moreover, the tool supports all SQL and Windows versions and can be operated swiftly by any user. Besides that, it also facilitates smart preview and gives several filter options to the users.

Steps to Fix SQL Server Error 3930

1. Run the SQL Transaction Log Recovery Tool as an administrator.
2. Add the LDF and MDF files in the tool and click Next.
3. Further, select files from the tree structure and preview the data.
4. Then, click Save and opt for a destination: Database or Scripts.
5. Provide other details and choose the filters as per the need.
6. At last, click OK to recover the data and resolve the issue.

Conclusion

To sum up, the blog states about the error 3930 in SQL Server, its symptoms, and causes for occurrence. Moving ahead, we discussed four different solutions, including manual ways and a professional tool to handle SQL Server Error 3930. The manual methods aren’t very reliable and can be risky. So, use a professional tool in all cases for guaranteed precise results.

Frequently Asked Questions

Related Post