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Set lPv4 to be the dominant Internet protocol

Quickbooks says "Not Responding" or there are multiple server busy errors occurring after June 11, 2012 or in a new install of QuickBooks Desktop in Windows 7 and Windows 8.

Why this is happening

On June 12th, IPv6 became the dominant internet protocol over lpv4.  QuickBooks Desktop uses IPv4 to ping and look up names on a network.  When pinging the local host, a response of get :::1, indicates your system is using IPv6.  If you get, it is using IPv4 - this is the desired response.

Detailed Instructions

The following solution will make changes to your Windows operating system. Please consult an IT professional if you have any concerns with performing these steps on your own, or have any questions regarding compatibility with other third party software.

Solution: Use Microsoft "Fix it" tool to configure your computer to prefer IPv4, instead of IPv6

  1. Download and run the Microsoft "Fix it" tool.
  2. Follow the on screen instructions.
  3. Reboot machine.
  4. After reboot, open a command prompt by going to the Start Button and  typing in CMD in the search area.
  5. Right click on the CMD link at the top of the screen and Run as Administrator. 
  6. Enter ping localhost at the c:\, it should return as the ip address.
  7. Close Command prompt.
  8. Open QuickBooks
KB ID# HOW19591
10/28/2016 7:02:25 AM
PPRDQSSWS403 9138 Pro 2017 c87af6