Error H505 in QuickBooks typically occurs when trying to switch to multi-user mode, preventing simultaneous access to the company file. This issue can arise due to incorrect hosting settings, problems with the QuickBooks Database Server Manager, or connection diagnostic tools.
Possible Causes:
- Incorrect configuration of hosting settings
- Issues with QuickBooks Database Server Manager or connection diagnostic tools
- Blockage of the multi-user connection, preventing access to the company file
Resolution Steps:
- Check Firewall Permissions: Ensure that the executable files listed below are allowed through your firewall:
- DBManagerExe.exe (C:\Program Files\Intuit\QUICKBOOKS YEAR)
- QBDBMgrN.exe (C:\Program Files\Intuit\QUICKBOOKS YEAR)
- QBCFMonitorService.exe (C:\Program Files\Common Files\Intuit\QuickBooks)
- Verify Hosting Settings: Review and adjust hosting settings as needed to ensure correct configuration.
- Run Connection Diagnostic Tools: Use built-in tools to identify and resolve any connection issues.
By addressing these potential causes and following the recommended resolution steps, you should be able to fix the QuickBooks Error H505 and enable multi-user access to your company file.