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Fix QuickBooks Error H303 – Issue with Multi User Hosting | Forum

Topic location: Forum home » Support » General Questions
Sprink Davis
Sprink Davis Sep 28 '23

Error H303 can happen when you're trying to find company files on your system. It means you need to change some settings to make things work. It can be annoying for the person using the computer. In this article, we'll explain what it is, why it happens, and give easy solutions. Some errors in QuickBooks are called H series issues. One of these issues is QuickBooks Error Code H303. It happens because some settings for using multiple computers with QuickBooks got mixed up.

Signs and Symptoms of QuickBooks Error H303

Here are some common reasons why you might see QuickBooks Error H303.

  • If you haven't set up the right settings for QuickBooks to work with multiple computers properly.
  • Two important files that QuickBooks needs to work with, the Network Data (.ND) file and the Transaction Log (.TLG) file, might be damaged or not working properly.
  • Sometimes, QuickBooks may not be able to connect to the computer that's acting as the server because it can't find the server's IP address.
  • Problems with the QuickBooks Database Server Manager
  • Issues with the QBCF Services, or a system firewall that's causing trouble.
  • If the connection between the server and the workstations could be broken
Summing Up!

We hope that one of the methods outlined above has resolved the QuickBooks Error H303 for you. However, with so many methods available, it's possible that you may have found the process confusing or overwhelming. If this is the case, we recommend contacting the QuickBooks desktop error supportteam at 1-800-615-2347 for further assistance.