https://community.squareup.com/t5/Staff-Payroll/Why-is-QuickBooks-showing-qbdbmgrn-not-running-on-this-computer/m-p/820598#M2581 <P>If you’re seeing the error <STRONG>“qbdbmgrn not running on this computer” in QuickBooks Desktop, it means the <STRONG>QuickBooks Database Server Manager (QBDBMgrN) service isn’t active on your host system. This prevents <STRONG>multi-user access, making your company file inaccessible over the network.<BR /><BR /></STRONG></STRONG></STRONG></P><P>Start by opening <STRONG>Windows Services (services.msc) and locating <I>QuickBooksDBXX (where XX is your version). Make sure it’s set to <STRONG>Automatic and click <STRONG>Start if stopped. If the service fails to start, your <STRONG>Windows Firewall or <STRONG>third-party antivirus may be blocking ports (8019, 56728, 55378-55382). Reopen <STRONG>QuickBooks Database Server Manager via <STRONG>Tool Hub &gt; Network Issues to rescan your folders.<BR /><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="QuickBooks Helpline Support Number.jpg" style="width: 820px;"><img src="https://community.squareup.com/t5/image/serverpage/image-id/53292i48A3C0F28466FB0B/image-size/large?v=v2&amp;px=999" role="button" title="QuickBooks Helpline Support Number.jpg" alt="QuickBooks Helpline Support Number.jpg" /></span></STRONG></STRONG></STRONG></STRONG></STRONG></STRONG></I></STRONG></P> Fri, 10 Oct 2025 18:39:30 GMT hinemev437 2025-10-10T18:39:30Z https://community.squareup.com/t5/Staff-Payroll/Why-is-QuickBooks-showing-qbdbmgrn-not-running-on-this-computer/m-p/820586#M2577 <P>QuickBooks Desktop returns ‘qbdbmgrn not running on this computer’ on the host machine. Multi-user access fails, and company file is inaccessible. Restarting the service and server didn’t help. Looking for proven fixes—service startup, firewall, or permissions steps to restore multi-user access quickly. Any scripts or logs to check?</P> Fri, 10 Oct 2025 18:16:14 GMT https://community.squareup.com/t5/Staff-Payroll/Why-is-QuickBooks-showing-qbdbmgrn-not-running-on-this-computer/m-p/820586#M2577 sandy_88 2025-10-10T18:16:14Z https://community.squareup.com/t5/Staff-Payroll/Why-is-QuickBooks-showing-qbdbmgrn-not-running-on-this-computer/m-p/820598#M2581 <P>If you’re seeing the error <STRONG>“qbdbmgrn not running on this computer” in QuickBooks Desktop, it means the <STRONG>QuickBooks Database Server Manager (QBDBMgrN) service isn’t active on your host system. This prevents <STRONG>multi-user access, making your company file inaccessible over the network.<BR /><BR /></STRONG></STRONG></STRONG></P><P>Start by opening <STRONG>Windows Services (services.msc) and locating <I>QuickBooksDBXX (where XX is your version). Make sure it’s set to <STRONG>Automatic and click <STRONG>Start if stopped. If the service fails to start, your <STRONG>Windows Firewall or <STRONG>third-party antivirus may be blocking ports (8019, 56728, 55378-55382). Reopen <STRONG>QuickBooks Database Server Manager via <STRONG>Tool Hub &gt; Network Issues to rescan your folders.<BR /><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="QuickBooks Helpline Support Number.jpg" style="width: 820px;"><img src="https://community.squareup.com/t5/image/serverpage/image-id/53292i48A3C0F28466FB0B/image-size/large?v=v2&amp;px=999" role="button" title="QuickBooks Helpline Support Number.jpg" alt="QuickBooks Helpline Support Number.jpg" /></span></STRONG></STRONG></STRONG></STRONG></STRONG></STRONG></I></STRONG></P> Fri, 10 Oct 2025 18:39:30 GMT https://community.squareup.com/t5/Staff-Payroll/Why-is-QuickBooks-showing-qbdbmgrn-not-running-on-this-computer/m-p/820598#M2581 hinemev437 2025-10-10T18:39:30Z