username Quickbooks sync faq authenticate can't connect It Won't Authenticate my LMN Username and Password in the Sync Tool

  1. Check that the username/password you are using is active and can login to LMN normally  (my.golmn.com)
  2. Check that the user account you are using has the Accounting Admin security setting = TRUE (only your account administrator can make changes to this security permission setting)
  3. Check your computer's SYSTEM TIME AND DATE – it must be with 2 min of the accurate time/date.  The date/time matching is an important part of a security algorithm designed to prevent unauthorized access to your account.

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