SQL Server Error 601 NOLOCK – Learn How to Fix Error Code 601

Synopsis: Whenever there is a corruption or locking problem that occurs in the database, it often results in the SQL Server error 601 NOLOCK in the system. Therefore, this article is all about fixing this error using the best-in-class manual as well as automated solution without any complex technical terminologies.

Users face this issue when they tries to run the query and due to the NOLOCK hint, they are unable to read it. Moreover, access to this data is also restricted if it is being used by any other transaction at the moment. Therefore, the system reflects the SQL Database Error 601 which looks like this:

Msg 601, Level 12, State 1, Line 1
Could not continue scan with NOLOCK due to data movement.

Now, let us understand the solutions one after another to get rid of error 601 SQL Server DB. Starting with the Cancel Query method followed by damage fixing & restore options.

Cancel Query to Fix Error 601 SQL Server In an Instant

Now, in order to fix this error occurring due to the NOLOCK hint, users need to cancel the query. Now, users have two options to choose from here. Either they can cancel their query & submit it later or they can Kill the process by having the query with NOLOCK hint.

Step 1. In SSMS, Hit the Cancel icon to cancel the query.

Step 2. Now, Run the below query. This will help users identify the actual blocking query.

SELECT
  r.session_id SessionID,
  r.blocking_session_id BlockingSessionID,
  r.start_time,
  r.status,
  r.command,
  t.text queryText
FROM
  sys.dm_exec_requests r
  CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) t
WHERE
  r.blocking_session_id > 0;

After running this query, users will get the following output to fix SQL error code 601:

• Session ID
• Blocking Session ID
• Query Start Time
• Request Status
• Command Status
• Query Status

Now, in order to kill the session blocking, simply run the Kill command mentioned below.

  KILL 34
The kill command kills the session ID.

That’s it. Now, users can proceed further to the damage-reducing part of this issue.

Fix Damaged Database Caused By SQL Server Error 601 NOLOCK

Now, in order to resolve the database issues, all that users need to do is repair SQL Database with DBCC CHECKDB command. This way, users can easily fix the corruption issues. However, if users are not technically proficient, they might face difficulties. Then they can simply opt for the automated solution mentioned in this blog.

Run the command:

DBCC CHECKDB (test_db) WITH NO_INFOMSGS;

Also, this command provides three options to users for fixing corurption SQL data. These options are:

• Repair_Fast
• Repair_Rebuild
• Repair_Allow_Data_Loss

Restore Database from Backup File to Fix SQL Error 601

Now, users need to restore SQL Server database from BAK file or backup file to proceed. Follow the below-mentioned queries to do the same:

BACKUP DATABASE test_db
TO DISK = 'f:\backups\test_db.bak' WITH FORMAT;

This command will backup the database where WITH FORMAT helps them to overwrite the existing backup file.

Now, once all of the data is backed up, users can simply restore the database using the restore command. This is another step toward the fixing of error 601 SQL Server without any hassles. The command for the same is mentioned below to fix SQL Server error 601 NOLOCK issue:

RESTORE DATABASE test_db
FROM DISK = 'f:\backups\test_db.bak' WITH REPLACE;

If users want, they can even use the SSMS method as well to do so.

• Launch SQL Server Management Studio (SSMS) & connect to database.
• Right-click the desired database & choose “Tasks” >> “Backup.”
• Configure backup options, set the destination, & Hit the “OK” button.
• Keep this backup file to a secure location or on a secondary server.
• Right-click on the target database (or create a new one) & choose “Tasks” > “Restore” >> “Database.”
• Set”Device” as the source & browse the backup file.
• Set restore options accordingly & click “OK” to fix SQL Database Error 601 easily.
• Verify the restoration process in the SSMS messages tab.
• Ensure data and log files are in the correct location by checking database properties.
• Test the restored database to confirm data integrity and functionality.

Automated Tool to Fix SQL Error Code 601

If users want, they can even use the automated SQL Recovery Tool to get the perfect solution as per their expectations. This utility can resolve the database damaged files within the deadline using the latest features & simplistic GUI.

Download Now Purchase Now

Download the tool & use it to fix all the corruption issues. The below features will be helpful:

• Rectify damaged SQL tables, views, rules, indexes, stored procedures, triggers, etc objects.
• Recover even the deleted data as well without hassles to get the best-ever results.
• Offers two scan modes: Quick scan and Advanced scan to solve SQL Server error 601 NOLOCK problem.
• Three Export Modes:
  • To SQL Server
  • To SQL Scripts
  • CSV File Format
• Auto detects the SQL Server version & even offers the manual option for the same.

Apart from these, there are an endless number of features present in this tool to fix SQL error 601 without any difficulties.

Step by Step Procedures to Resolve Critical 601 Error Code in SQL

Step-1. Open the Software mentioned above & Click Open button.

Step-2. Now, Browse and Add MDF files to the software.

Step-3. Select the Scan Mode as per the requirements.

Step-4. Set the Destination & path for the files.

Step-5. Finally, Hit the Export to solve 601 error.

The Final Say

Finally, after going through all of the solutions, users can easily fix SQL Server error 601 NOLOCK issue. As we know this error can be tricky sometimes, users need to be technically proficient. Otherwise, it’ll be next to impossible for them to get the desired results.

Follow the chronological steps mentioned above to get the perfect results along with the advanced features often automated solutions. So far, it is the best utility to fix damaged SQL database objects & eliminate 601 error of SQL Server.