HTTP 306 Error During Mobile Sync from Desktop File

Quicken for Windows 2014
Quicken for Windows 2015
Quicken for Windows 2016

Some Quicken users may encounter an HTTP 306 error during Mobile Sync in their desktop Quicken file.

To resolve this issue:

  1. If you are on a network (for example, your employers network) contact your IT Department or Network Administrator for further assistance.
  2. If you are not on a network, start with your Internet Service Provider (ISP) to see if they use proxy to manage your internet connections.

NOTE: Make sure your computers operating system (e.g. Windows 7/8/8.1 & 10) is up-to-date with the latest system updates. These updates frequently include new/updated SSL Security Certificates that allow you to connect to secure servers.

 

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Tip: To find out which version of Quicken you are using, open Quicken go to Help menu and select About Quicken.