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Download and install Connector for Microsoft Dynamics 365 Business Central on premises

If you have Microsoft Dynamics 365 Business Central on premises, first download your integration software and then install it.

Before you begin

Before you publish and install the AvaTax extension in Microsoft Dynamics 365 Business Central: Contact your Partner of Record to make sure your license file has been updated to include the 14073210 Avatax Sales Tax license. If your partner can't order the free granule from Microsoft, give their partner ID and country to your implementation consultant, and we'll add them to our list of certified resellers. Then, deploy the extension to your server as usual.


  1. In AvaTax, go to Settings > Integrations.
    The Avalara Account page opens. The connectors and extractors you're registered to use are displayed. 
  2. Select See Connector Versions, select the most recent version, and then select Download.
  3. In your Downloads folder, extract the installation folder or file from the .zip file.