NAV 2015, “How-to” solve “You are not authorized to sign in..” error

you are not aut

How to login in “any database”

Follow this and you can login in any database (delete ALL existing configuration and can login)

Source Waldo Blog

By SQL Script > Grant SUPER to Role ID in Access control table

There are 2 ways for your case, run SQL script on your database:

1. Come back to no user as before you create the user:

DELETE [Access Control]


2. Set all users as SUPER users:

UPDATE [Access Control] SET [Role ID] = ‘SUPER’


by “PowerShell”, nice RESCUE Solution

1. Start the NAV 2015 Administration Shell or Powershell ISE

2. Execute the command:

  1. NewNAVServerUser ServerInstance YOURINSTANCENAME WindowsAccount YOURUSERACCOUNT

(of course replace the ‘YOUR…’ with your data 😀  ; probably YOURINSTANVCE should be: DynamicsNAV80 )

3. Execute the command:

  1. NewNAVServerUserPermissionSet ServerInstance YOURINSTANCENAME WindowsAccount YOURUSERACCOUNT PermissionSetID SUPER



You can find info on assigning permissions here:

And also general info on creating users here:


Have Fun !



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