<p data-start="0" data-end="373">If you're facing the <strong data-start="21" data-end="60">QuickBooks H202 error in Windows 11, the issue is often linked to incorrect firewall permissions blocking communication between workstations and the server computer. Many users notice that multi-user mode stops working after a Windows 11 security update because the required QuickBooks services and ports are no longer allowed through the firewall.

<p data-start="375" data-end="730">To resolve this issue, first open <strong data-start="409" data-end="461">Windows Defender Firewall with Advanced Security and create new <strong data-start="477" data-end="515">inbound rules for QuickBooks ports. The required <strong data-start="530" data-end="568">TCP port for QuickBooks multi-user setup depends on your QuickBooks version. Make sure the QuickBooks Database Server Manager services are allowed through both inbound and outbound firewall rules.

<p data-start="732" data-end="1072">Another important step in the <strong data-start="762" data-end="796">QuickBooks H202 Windows 11 fix process is verifying that hosting is enabled only on the server computer. Incorrect hosting settings can also trigger the H202 communication error. After updating the <strong data-start="964" data-end="1007">QuickBooks Windows 11 firewall settings, restart all connected systems and test multi-user access again.

<p data-start="1074" data-end="1504" data-is-last-node="" data-is-only-node="">Many users successfully fix the <strong data-start="1106" data-end="1142">QuickBooks H202 error Windows 11 by adjusting firewall permissions, checking network connectivity, and re-scanning company files in Database Server Manager. If the issue still continues, contacting a QuickBooks support expert can save time and prevent network data issues. For advanced troubleshooting help, you can call the QuickBooks support team at <strong data-start="1462" data-end="1481">+1-866-500-0076 for guided assistance.



<p data-start="1074" data-end="1504" data-is-last-node="" data-is-only-node="">Also Readc This: QuickBooks error 15243