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Activation failed. Failed to authenticate with the license server.

Problems:

1. No internet connection is available.
   
2. Invalid username or password.
   

Solutions:

1. Ensure that the machine being licensed is connected to the internet.
   
2. Verify the user name and password are correct.
   

Note: Verify the user name and password by logging on to www.my.kepware.com/mykepware. Sign up for an account or reset the password from the same location.