Does NTLM authentication supports UPN (userPrincipalname) style of username (ex: name@domain.com)to authenticate ?


does ntlm authentication supports upn (userprincipalname) style of username (ex: name@domain.com)to authenticate ?

hi puranjay,

technically, no, functionally, yes - @ least respect performing logons. because client convert username nameuserprincipal format namesamcompatible format (part of negotiate security package).

focusing on "technically, no" part, if try , call ntlm-based api function with upn wouldn't work.

cheers,
lain



Windows Server  >  Security



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