When you have just installed AX or got a backupof the AX database from someone, you may not be able to log on to MicrosoftDynamics AX 2012. A following error message may be displayed
The issue is that you havenot been configured as a user in the AX database.
Resolution: The solutionhas following two steps
1. Extract your SID which is a unique ID for your credentials from the machine where you have installed AX bygoing to into the following registry path-HKLM\Software\Microsoft\WindowsNT\CurrentVersion\ProfileList. The SID is highlighted in the left pane of thebelow image.
2. Copy the SID into your AXdatabase in SQL Management Studio. Also change the Network Domain andNetworkAlias as per your credentials
You should now be able to logon to Ax 2012 Client.