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Why does this error, "Error 1316: Specified user already exists", show when installing AvaTax?

Overview

AvaTax needs to be installed for the first time, or reinstalled. When running the installer this error is given:

"Error 1316 Specified user already exists"

Environment

Microsoft Dynamics GP

Resolution

  • Save the Tool.
    • Then run the program, and choose this option "Detect problems and let me select the fixes to apply".

 

  • When prompted, choose installing when asked where the problem exists.
  • Then on the screen to select the program choose avalara/avatax.

 

  • Once the tool completes and closes, try to reinstall AvaTax.