QuickBooks error H303! What does it mean for you?

QuickBooks error H303! What does it mean for you?

QuickBooks Error H303 is one of the most notoriously known network errors. Usually, the company file is being connected to via a remote connection. If a connection cannot be established with the company file before the timeout, then QuickBooks error H303 is thrown.

There are multiple errors of this category, which are described as under:

These different error codes signify different underlying issues that may be causing problems with the connectivity. Let’s start with the most basic solution. Through this solution, you can fix any errors with your QB company file.

QuickBooks File Doctor

This is a free tool provided to solve common connectivity issues and errors in company file. To start, you can download the application from this link.

Warning:

Download the software at your own risk as it may be malicious and may even risk your financial data. If you don’t want to take risk of any kind then call QuickBooks ProAdvisors now at 1800-940-7442.

After installing, just follow the instruction provided by the application to fix some common issues. Once the application scans the network, the scanning of company file will start. This can take time depending upon the size of your company file.

If there are issues with firewall then follow these steps:

Firewall settings

 

Quickbooks error H303. Get Support now

In windows, the firewall settings can prevent QB from connecting with the company file that is on a remote server or system. You can turn off the firewall to see the impact. Also, you may have to change advanced firewall settings in order to fix this connectivity issue.

To modify advanced firewall settings, follow the steps provided below:

  1. Search for “Windows Firewall with Advanced Security” through the start menu
  2. Select Inbound Rules from the left panel
  3. Enter the port that you want to allow
  4. Enter the complete path for the executable file of QB
  5. Select Allow the Connection
  6. Mark all the checkboxes and click on next
  7. Do not skip this, as later you won’t be able to identify this new rule without any name and description.
  8. Select Outbound Rules from the left panel and repeat all the steps provided above

You can also open the host file in windows and allow the connection to specific ports. Please make a copy of the host file before making any changes to it.

At this point, you can also disable antivirus and anti-malware software that are known for blocking network connections. Once done, restart QB and try to reconnect to the company file. If this fails as well, then the problem might not be with your system or network.

Contact ISP or Hosting Provider

Call your Internet service provider and ask them to resolve any connectivity issues. Also, contact your cloud hosting provider, if you have any, enquire about the problem that you’re having. Most probably it may be an issue with their servers or connections. Various issues have been reported even when the basic underlying problem was authenticated. Hence, if you or your hosting provider has altered the authentication details then please update them before trying anything else.

This can also be an issue with the settings of multi-user mode. You may require professional help for getting through these settings.

We at QBPro.ca house certified QuickBooks experts. We are a third party QuickBooks customer support team and have served thousands of QB users. We provide quick resolutions to QuickBooks errors and issues. Our QuickBooks technical support team is available round the clock to resolve errors faced by users. Our agents are amiable and have the required knowledge and experience to resolve QuickBooks Error H303. You can reach out to us via email and call. To know more feel free to contact us at 1800-940-7442 (Toll Free.)


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