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Avalara Help Center

How do I resolve Login errors: Unexpected error occurred... in AvaTax


When attempt to log in it results in the error "We’re sorry about this! An unexpected error occurred, possibly due to a temporary interruption in the service.You can try again or...Go Back Contact Avalara Support if the failure persists"




  • If the following is immediately to the right of the webpage url "DefaultError.aspx?aspxerrorpath=/login.aspx" delete that.
  • Then hit enter to reload the page then try again to login