Following are the points which will open the gate for the users to find out the best and easy resolution to fix QuickBooks multi-user mode not working issue:
Click on the Windows Start menu.
In the search box, type “Windows Firewall” and then open Windows Firewall.
Click on the Advanced Settings option.
Right-click on Inbound Rules and then click on the New Rule option.
Choose the Program option and then the Next button.
Select the This Program Path option and then the Browse button.
Go to Windows Explorer.
Follow the path, “C:\Program Files\Intuit\QUICKBOOKS YEAR.”
Select the QBDBMgrN.exe file and then click on Next.
Click on the Allow the Connection option and then the Next button.
If prompted, confirm all profiles are selected. Click on Next.
Create a new rule and give it a name like “QBFirewallException(name.exe).”
Follow the above-mentioned steps to create outbound rules for QuickBooks this time.
Open QuickBooks Desktop and try to access your company file on the multi-user network.
If above steps helped you then it is well enough to eradicate QuickBooks multi-user mode not working error in couple of minutes, otherwise you can opt to avail of QuickBooks Proadvisors helpline assistance via dialing at Toll Free number which will connect you our experts.