Overview#
The MMC Account Tab is used to manage accounts in Microsoft Active Directory![]() |
userPrincipalName (User logon name:)#
When using the MMC, in the "New Object – user" dialog you are also required to specify a "User logon name". Which, in combination with the DNS domain name, becomes the "userPrincipalName".The userPrincipalName typically appears as jim@mad.willeke.com which is made up from the MMC interface value that is the "User logon name:" and the drop down that the MMC only allows the "@" and the domain name (mad.willeke.com).
However, this is not enforced nor required. The userPrincipalName has no enforcement within Microsoft Active Directory other than the MMC interface.
The userPrincipalName is one of the "logon" attributes permitted by Microsoft Active Directory
Often, this value is populated with the user email address.
The "userPrincipalName" is an alternative name for the user to logon with. This attribute is not always assigned a value in Active Directory.
SamAccountName (User login name (pre-Windows 2000)):#
When you key in "User logon name", the field "pre-Windows 2000 logon name" is filled in for you with the first 20 characters of "User logon name". This becomes the "SamAccountName" attribute.![]() |
Domain NetBios Name#
The Domain NetBios Name is not stored on the user but is shown as read-only in the MMC Account TabThis implies the user can logon as MAD\jim