QuickBooks Connection Diagnostic Tool

The QuickBooks Connection Diagnostic Tool is designed to troubleshoot networking and multi-user errors that can occur when you open a company file.

If you’re experiencing H202, H505, or 6000 series errors, this tool can help. The QuickBooks Connection Diagnostic Tool works only with computers running Microsoft Windows 7, WIndows Vista, or Windows XP with QuickBooks 2008 and newer or QuickBooks Enterprise Solutions 8.0 and newer.