InstantForum.NET v2.9.0SQLServerCentralhttp://www.sqlservercentral.com/Forums/notifications@sqlservercentral.comSat, 25 May 2013 15:57:19 GMT20http://www.sqlservercentral.com/Forums/Topic1366240-391-1.aspxIf you are logged in with administrator privilege on the laptop then restart the SQL server service with the -m switch and then log in using windows authentication.Sun, 30 Sep 2012 03:40:21 GMTbayazidahmedhttp://www.sqlservercentral.com/Forums/Topic1366240-391-1.aspxHi In My Laptop i am using sqlserver 2008.i forget my 'sa' password. I tried windows authentication.But I am facing following Error.Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. (Microsoft sqlserver,Error : 18452 )Please give me a solution .Sun, 30 Sep 2012 02:48:53 GMTvs.satheesh