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  4. Could not verify the web application server certificate
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  4. Could not verify the web application server certificate

Could not verify the web application server certificate

Are you getting the below error message when attempting to add our application to the Web Connector?

Error

QBWC1048: QuickBooks Web Connector could not verify the web application server certificate. QBWC1051: The new application was not added

Resolution

This means that QuickBooks is unable to verify a valid SSL on your website. There are several additional causes/resolutions for this:

  • Ensure a fully valid SSL certificate is correctly installed on your site. SelfSigned certificates are not valid.
  • Ensure your local and remote firewall/security plugins are not blocking the QuickBooks connection to your site.
  • Ensure you don’t have any privacy/redirection plugins enabled on your site that might be blocking the QuickBooks connection.
  • If you are running Windows 7/8, ensure the latest updates are installed to ensure compatibility with TLS 1.1+. This QuickBooks Readiness tool helps with this.
Updated on March 28, 2019

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