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Avalara Help Center

How do I resolve error Attempt to invoke web service method failed in QuickBooks Desktop?


You are seeing the error Message: Tax Could not be calculated: Attempt to invoke web service method failed. No URL to the web service has been provided. Check the configuration and try again. when you try to calculate tax in QuickBooks.


QuickBooks Desktop


  • Versions .84 and below
  • In QuickBooks go to File > AvaTax > Configuration > check AvaTax Configuration Settings 
  • Version .85 and above
  • In QuickBooks go to File > AvaTax > Preferences


Next Steps

Accurate license key and account are required for successful connection, for assistance with this: How do I find my license key?