QuickBooks Multi-user mode enables multiple users to access the same company file simultaneously. However, it can stop working if any of its components fail. This issue usually occurs when trying to open a company file on the server computer, resulting in QuickBooks opening in single-user mode. QuickBooks License is necessary for all users to access this feature. This blog will cover the various reasons behind the QuickBooks multi-user mode not working problem and how a user can resolve the error effectively. 

You might get the following error message on your desktop screen:

Causes of QuickBooks Multi-User Mode Not Working

There are several reasons why QuickBooks Multi-User Mode may not be working properly. Some of the most common causes include:

• QuickBooks might not be installed on the server computer.

• The firewall or antivirus software might be blocking QuickBooks from communicating between user computers.

• QuickBooks Database Server Manager may not be able to access the company file.

• Windows file permissions might not be set up correctly.

• There is any data damage or corruption within the company file, it can cause issues with Multi-User Mode.

• Incorrect hosting settings on QuickBooks Desktop application.

• Corrupt or incorrect DNS settings may cause QuickBooks to freeze when switching to multi-user mode.

• If Multi-User Mode is not set up correctly, it will not work properly. You need to make sure that all computers are set up correctly and connected to the same network.

DIY Methods to Fix QuickBooks Multi-User Mode Not Working Error

Here are some steps you can follow:

Method 1: Use QuickBooks File Doctor Tool

Use the QuickBooks File Doctor Tool, which can be downloaded from Intuit’s Official website. This tool can help diagnose if the computer system is configured correctly for using QuickBooks multi-user mode. Once installed, it can automatically scan and diagnose company file-related issues and fix them. 

However, the time required for scanning may vary depending on the company file size. After the scan, if the problem persists, one should ensure that folder permissions are set correctly. If you don't know how to do this, you can try the next troubleshooting solution.

Method 2: Check the Folder Permission on the Server Computer

• Open Windows Explorer and navigate to the folder that contains your company file.

• Right-click on the folder and choose the Properties option.

• Switch to the Advanced tab and select ‘QBDataServiceUserXX’.

• Click on Edit and Allow all the necessary settings options.

• After you have corrected the settings, make sure to enable hosting on your server computer.

• To do this, go to the File menu and click on the Utilities section, then choose Host Multi-User Access.

• Confirm the changes by clicking Yes.

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