User for all kinds of things. When it is not nested under a component it is included in the MSI so it can be referenced by other elements such as the User attribute in the AppPool element. When it is nested under a Component element, the User will be created on install and can also be used for reference. Extensibility point in the WiX XML Schema. Schema extensions can register additional elements at this point in the schema. A [Formatted](https://learn.microsoft.com/en-us/windows/win32/msi/formatted) string that contains the name of the user account. A [Formatted](https://learn.microsoft.com/en-us/windows/win32/msi/formatted) string that contains the local machine or Active Directory domain for the user. Usually a Property that is passed in on the command-line to keep it more secure. The account's password never expires. Equivalent to UF_DONT_EXPIRE_PASSWD. The user cannot change the account's password. Equivalent to UF_PASSWD_CANT_CHANGE. Indicates whether the user account should be removed or left behind on uninstall. Indicates if the install should fail if the user already exists. Indicates whether or not the user can logon as a serivce. User creation can be skipped if all that is desired is to set this access right on the user. Indicates whether or not the user can logon as a batch job. User creation can be skipped if all that is desired is to set this access right on the user. Indicates if the user account properties should be updated if the user already exists. Indicates whether the user must change their password on their first login. The account is disabled. Equivalent to UF_ACCOUNTDISABLE. Indicates whether or not to create the user. User creation can be skipped if all that is desired is to join a user to groups. Indicates whether failure to create the user or add the user to a group fails the installation. The default value is "yes". Optional comment to set on the user. Indicates whether remove the comment from the user. The default value is "no". Extensibility point in the WiX XML Schema. Schema extensions can register additional attributes at this point in the schema.