Automatic logon is not supported when you are logging on to a domain. You will need to join a workgroup if you want to use the automatic logon feature.
You can also turn on the automatic logon feature in all versions of the Windows 2000 product family by editing the registry.
This procedure will allow the user to log on automatically to the domain. This could cause a serious security problem. Anyone booting this system with this registry modification will be logged on to the system with the user's security credentials.
This is a by-design security feature. The resolution involves editing the registry. Editing the registry is not supported.
The process that is described in this article only applies to the first logon. To enforce this setting for subsequent logons, the administrator must set the following registry key:
Type: REG_SZ Data: 1
Microsoft Article ID: 234562