Dear All If you are facing the problem in login after restoring database the reason is the machine key is not matching. This problem arrived because you are restore the whole website from server to workstations so because of this you will face two problems 1) Login accounts not working 2) Pages will not show for 2nd problem please check my previous blog http://bestvisualization.blogspot.com/2012/05/pages-are-not-accessing-after-restoring.html for login you need to resolve it like this 1) Register with the normal user 2) Open the database table users 3) Assign this user as super host (Please read this post if you don't know about this step http://bestvisualization.blogspot.com/2009/11/how-to-reset-dot-net-nuke-dnn-host.html ) 4) Close the database 5) Login with the new user 6) Go to admin > user accounts 7) Click on the pencil and click on password manager 8) Click on the Reset password (system generated random one) 9) Once it done you can assign you...