Fix Run-Time Error 3211: The Database Engine Could Not Lock Table


This post covers complete detail on run-time error ‘3211’ the database engine could not lock table. So if you are dealing with this Access database error 3211 then here are the fixes that you need to try.

Go through the complete fixes…!

Error Detail:

Name: Microsoft Access Error 3211

Error code: Error 3211

Description: The database engine could not lock table ‘|’ because it is already in use by another person or process.


Microsoft Access Error 3211

How To Fix MS Access Could Not Lock Table Error?

try the below-given fixes to resolve MS Access could not lock Table error 3211.

1# Don’t Open Access Database In Exclusive Mode

Another reason that imparts to this “database engine could not lock table because it is already in use by another person or process” is that the database is opened in the exclusive mode.

So the chances are high that some users have opened the database in Exclusive mode for making modifications like modules editing.


Take a complete exit from your opened access database by closing it. After that try to open it normally without selecting the option of Exclusive mode.

HELPFUL ARTICLE: Fixes To Resolve Access Error “You Don’t Have Exclusive Access To The Database At This Time”…..!

2# Delete Lock File

Whenever any new file is created in the Access database one lock file (ldb) file also gets created.

This .ldb file automatically gets deleted when the Access database application is closed.

Sometimes they won’t get deleted automatically and due to this error like database engine could not lock table is encountered.


When such a situation arises where these Access LDB files won’t get deleted in that case, you can manually delete them.

In the entire hard drive, you need to make a search for this LDB file. For easy identification, you can look for the file having the .idb extension.

In this search bar enter the text *.ldb and then delete all the files which you get. This will help you to fix MS Access could not lock table error.

3# Recommended Option To Repair Corrupt Access Database File

It is highly recommended that you must take the help of a third-party MS Access Database Repair Tool. This software will help you to fix any type of corruption issues and errors encountered in your Access database. It comes with an advanced scanning algorithm that is very much effective in repairing and recovering the complete database files and re-establishes all database components.

* By clicking the Download button above and installing Stellar Repair for Access (14.8 MB), I acknowledge that I have read and agree to the End User License Agreement and Privacy Policy of this site.

This tool is capable enough to repair corrupt .mdb and .accdb file format of the Access database. It comes with a self-descriptive user interface and therefore non-technical users can also easily operate this tool and easily retrieve back all the Access database objects such as tables, forms, reports, queries, restraints, macros, database relationships, and other data.

FAQ (Frequently Asked Question):

Why You Need To Lock Table In Access?

Locking the table in the access web app helps you to prevent data from being accessed by any other user.

Table locking mainly seems helpful when you wish to include your sample data within the web app that you want to give another app user.

So if you are planning to share Access web apps in the SharePoint store or in the app catalog then locking the Access database table is the best option.

After the table locking, you have the option to upgrade the web app in the future without facing any data overwriting issues.

So by applying this locking feature you can also prevent data that are saved in the instances of the web app.


The table locking feature is only present for Access web apps that are present on the SharePoint Online sites or Microsoft 365.

To check your lock option, you have to Access 2013 with Office 2013 Service Pack 1 (SP1) or a higher version installed on your PC.

Can You Lock Tables In Access Web App?

Yes, you can lock the table in the access web app as this will help you to keep the data from being edited and deleted by anyone else.

  • At first, open the web app in Access and then choose the table which you need to lock. Choose your table from the Table Selector section present on the left pane.
  • Hit the Settings/ActionsLock.

Lock Tables In Access Web App

  • Hit the Lock sign that appears next to the table name.

Lock Tables In Access Web App 1


For table unlocking, the same steps are to be followed only you have to tap the Unlock option.

How Do I Restrict Editing In Access?
To prevent users from doing any changes by following these steps

  • Open your form in the design view.
  • Make a right-click on the Name field.
  • Within the Data tab, choose the locked property to yes option.

By choosing the yes option for this Locked property you need to prevent users from doing any changes in the field. But still, the user has the option to get into the field’s tab and then try to copy it.

Wrap Up:

Follow all the mentioned guidelines strictly to fix run-time error ‘3211’ the database engine could not lock table.

But if the given manual solution fails to work then don’t hesitate to try the software solution. As chances are much high that your Access database is somehow got corrupted and thus it denies performing any task over it.

Don’t forget to share your experiences with us, whether the problem has been resolved or not.

Even if you are dealing with any other error and issue in your Access database then ask it in Repair MS Access social Facebook and Twitter account.

tip Still having issues? Fix them with this Access repair tool:

This software repairs & restores all ACCDB/MDB objects including tables, reports, queries, records, forms, and indexes along with modules, macros, and other stuffs effectively.

  1. Download Stellar Repair for Access rated Great on Cnet (download starts on this page).
  2. Click Browse and Search option to locate corrupt Access database.
  3. Click Repair button to repair & preview the database objects.

Pearson Willey is a website content writer and long-form content planner. Besides this, he is also an avid reader. Thus he knows very well how to write an engaging content for readers. Writing is like a growing edge for him. He loves exploring his knowledge on MS Access & sharing tech blogs.