QuickBooks offers an outstanding option-multi-user mode to allow multiple users to use a single company file simultaneously. Enabling this option, you can easily set up a multi-user network. However, you can face different errors and issues while opening the company file in a multi-user environment. The QuickBooks error 6175 is one such error that usually occurs when the Database server manager fails to connect to the QuickBooks application. When this error displays, it can prevent you from opening your QuickBooks company file in a multi-user network. Sometimes, your QuickBooks crashes or fails to respond, or your screen stops responding. It can occur due to several reasons. In this article, we will present the major causes behind the QB error 6175 and their solutions.
Causes behind QuickBooks error 6175
Some of the significant reasons for this QuickBooks error are below:
- Incorrect hosting settings on workstations or server system.
- Database Server Manager is not configured correctly.
- QuickBooks company file is corrupted.
- The system’s firewall might be blocking QuickBooks from establishing a connection with the company files.
Methods to Resolve QuickBooks Error 6175
Sometimes, simply uninstalling the QuickBooks and reinstalling it can help resolve maximum QuickBooks errors. You can try this simple workaround to resolve the QB error 6175. Next, try the below methods:
Method 1-Check QBDataServiceUser Account on Windows User Settings:
You can resolve QB error 6175 by verifying the QBDataServiceUser Account. This user account is responsible for running QuickBooks Database Server Manager as a service. If the QuickBooks Database Manager Service (QuickBooksDBXX) is not running, it can interrupt the multi-user network and lead to the 6175 error. You can check your Windows User Settings and ensure the QBDataServiceUser Account has admin rights and all permissions.
For this, here are the steps:
- Open your system’s control panel, select User Accounts, click Manage User Accounts

- Next, find QBDataServiceUser from the list and check and change the Account type and permissions (If required).
Method 2- Check Hosting Settings:
You can experience QuickBooks error 6175 if the workstations connected in a multi-user network are set to host the company file. The server should be the only system hosting the company file. So you need to check each workstation on the network and make sure the Host Multi-User Access option is off. For this, here are the steps:
- Open the QuickBooks on your workstations.
- Click File and then click Utilities
- If the Host Multi-user option is enabled, then turn off it by clicking on the “Stop Hosting Multi-User Access” option.
- Repeat the same procedure on all connected workstations.
Next, check the hosting settings on your Server system by using the below steps:
- In Server system, open your QuickBooks.
- Click File and then click Utilities.
- Select Host Multi-User Access.
Method 3- Check and correct Windows Firewall Settings:
The QuickBooks error code 6175 can occur if your system’s Firewall is blocking company file access. You can check that your computer’s Firewall isn’t blocking the QuickBooks. And make sure all necessary ports and exceptions are selected correctly. Here are steps to check and reconfigure the Firewall Settings on the QuickBooks:
- Locate to the Windows Start option, write Windows Firewall, and then press Enter key.

- In Windows Defender Firewall with Advanced Security window, click Inbound Rules and select New Rule from the right corner.
- Under the “What type of rule would you like to create” option, click Port and then click Next.
- In the Protocols and Ports wizard, first make sure you have selected TCP under “Does this rule apply to TCP or UDP.” If not, then select it.
- Under the Specified Local Ports field, type the appropriate ports. The port numbers can vary with the version of the QuickBooks you are using. Click Next.
- Click New Inbound Rule to display the New Inbound Rule wizard.
- In that window, click Allow the connection and then click Next.
- In the Profile window, select all the profiles, including Domain, Private, and Public, and then click Next.
- Next, specify the name and description of the rule under the Name window, and then click Finish.

- Next, ensure that you select the Outbound Rules field in place of Inbound Rules.
Once the configuration is completed, the error will fixed if the firewall settings are behind it.
Method 4-Repair your Company file
If corruption in the company file is behind the interruption of multi-user mode and leads to the error, then you can recover data from the QuickBooks backup file. You can restore the backup using the Auto Data Recovery tool or the Open or Restore Company option. Or you can use QuickBooks repair tools like Verify and Rebuild tools to rebuild company file data or Intuit Recommended File Doctor tool to repair your QuickBooks company file. But these tools may not help you if the company file is severely corrupted. If you find yourself in a similar situation where your company file is highly corrupted and other repair tools fail. You can use a professional QuickBooks repair tool like Stellar Repair for QuickBooks. This tool has many helpful features that can help quickly resolve corruption-related errors in QuickBooks. Some of them are below:
- The tool has no file size limitations
- The tool maintains data integrity while repairing company files.
- It can repair QBW files of any size and state.
Conclusion:
QuickBooks’ multi-user mode is used to access company files simultaneously in different systems. But if you are facing QuickBooks error 6175, then you can follow the troubleshooting methods to resolve it like a pro. If corruption in the QuickBooks company file is triggering the application to throw this error, then you can use a professional QuickBooks repair tool like Stellar Repair for QuickBooks. You can run this tool on any of the workstations or server systems to repair the QBW file quickly and without any data loss. The tool works on all editions of QuickBooks, including Pro, Premier, and Enterprise solutions.