Fix the SQL server login failed error 18456

SQL server login error 18456 is a common error in SQL server that occurs most frequently. There are many reasons for the occurrence of this particular error. Some of them are as:

  • Incorrect username and password.
  • Multiple passwords by a single user on different servers.
  • While disabling the username, the password has been expired.
  • Windows authentication issue.
However, this error can be fixed easily by following certain manual steps. You can go through this blog to get the manual procedure to fix this SQL server error 18456 which have been explained in an easier manner.