3 Strategies for Fixing QBDBMgrN is not Running on This Device There are times when you may encounter the “ QBDBMgrN is not running on this device ” message on the screen. It is one of the issues that takes place while accessing the company file. The factors that can be considered to cause this problem are wrong firewall settings, an unstable internet connection, and third-party interference. Moreover, this problem may also occur due to corrupted Network and Transaction log files. Custom AI development In order to help you fix this issue and bring your QuickBooks back to its working state, we have compiled a detailed blog including various segments. Take a deep dive into the page and rectify the problem. We have tried to help you in every possible way through this post. If you still can't get over this problem, don't hesitate to contact our professionals. Give a call to 1-855-888- 3080 and get connected with QB experts. Reasons Why the QB Database Server Manager is not Working To better understand the problem, we should be aware of the reasons that might be causing the QBDBMgrN not running on this computer issue. The primary reason behind this problem can be a corrupted Network and Transaction log files. It can also be due to wrong firewall settings. The problem may arise due to the unstable internet connection. You may get into this problem if any third-party application blocks access to the company files. 3 Ways to Overcome QBDBMgrN is not Running on This Device We have brought you some solutions that you can use to eliminate this issue. Let me walk you through each step thoroughly. Method 1: Update Windows Firewall Press Win+R to open the Run window. In the search space, write Security and open the Windows Security app. Tap on Firewall & network protection. Choose one from the following: Domain network, Private network, or Public network. Hover over the Microsoft Defender Firewall. Enable Windows Firewall by switching the setting to On. If you need to disable it, switch it to Off. Now, go to the Incoming connections section. Tick the Blocks all incoming connections, including those in the list of allowed apps box, which will block everything. If the steps above fail to help you, consider the next solution below. Method 2: Restart QuickBooks Database Server Manager Service Open the Run window by pressing Win+R. Search for services.msc and hit Enter. Now, you need to scroll down and look for the following services: QuickBooksDB26, QuickBooksDB28, QuickBooksDB29, or QuickBooksDB27. Right-click on the accurate service and choose the Restart option. Method 3: Run QB File Doctor Open the QB Tool Hub. Click on the Company File Issues from the Tool Hub. Tap on the Run QuickBooks File Doctor option. Hover over the company file dropdown and choose your file. Move to the Check your File option. Choose Continue and enter the QB admin password. Hit Next. The Bottom Line To make an outline of the blog, it is considered that there are many reasons why QBDBMGrN is not running on this device . For instance, a corrupted Network and transaction log files, an unstable internet connection, and third-party interference can cause it. Moreover, you have been given a set of methods to fix it up. If you still can’t resolve it, consider consulting a professional at 1-855-888-3080