QuickBooks May Need IPv4 to be the Dominant Protocol

article #1240, updated 47 days ago

If you are getting persistent H303/H505 errors or the like, check the .ND file corresponding to the QuickBooks database you are trying to load. If it has an IPv6 address within, that’s probably the problem, we need to set IPv4 as dominant on the server:

https://support.microsoft.com/en-us/help/2533454/resolving-internet-connectivity-issues-after-world-ipv6-launch-june-6

Reboot is required before the setting takes effect.

Categories:   QuickBooks