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.NET Forum / ASP.NET / General / August 2007What is retrieved by using User.Identity.Name?
Hi all, in my asp.net 2.0 (VB2005) application I use httpContext.Current.User.Identity.Name to get the samaccount of the currently logged in user, e.g. DOM\UserA. This works fine for most users, but with just 1 user we have a case-sensitive problem: It always returns DOM\userA, so a small "u" at the start. I've checked his AD-Settings and they seem to be correct. I've checked his login (he needs to login to both Windows and then Terminal Server) so he really logs in with DOM\UserA (with a capital "U"). Nevertheless it does not help, my web app still recoginzes him as DOM\userA. I've checked http://msdn2.microsoft.com/en-us/library/system.web.httpcontext.user(vs.80).aspx without success. On IIdentity.Name I got this information "The user name is passed to the common language runtime by the operating system or other authentication provider (such as ASP.NET)." which also does not really help. So which field is used to retrieve HttpContext.Current.User.Identity.Name? Many thanks in advance! You can try using "distinguishedName" - See http://www.microsoft.com/technet/scriptcenter/guide/sas_usr_doig.mspx?mfr=true for more information.  SignatureHTH, Kevin Spencer Microsoft MVP DSI PrintManager, Miradyne Component Libraries: http://www.miradyne.net > Hi all, > in my asp.net 2.0 (VB2005) application I use [quoted text clipped - 19 lines] > So which field is used to retrieve HttpContext.Current.User.Identity.Name? > Many thanks in advance! Hi Kevin, thanks for the reply, but I don't want to retrieve anything from the Active Directory. I just want to know how ASP / IIS 6 retrieves / computes the value which is returned when using HttpContext.Current.User.Identity.Name? One user logs in with DOM\UserA but it returns DOM\userA. Why is there a small 'u' instead of a capital one? For me I could log on as I like, it ALWAYS returns DOM\UserB (also when I login to Windows using DOM\userb). Thanks > You can try using "distinguishedName" - See > http://www.microsoft.com/technet/scriptcenter/guide/sas_usr_doig.mspx?mfr=true > for more information. It returns the "user name" whatever authentication method you are using so the real source could differ. My guess is that you are using integrated authentication. I'm not sure what is the problem. AFAIK the username is not case sensitive i.e. UserA and userA are the same user. I would likely look at where the username is used and needs to be in a particular case rather than to try to use a particular case from the start. Technically I believe it returns the "Windows 2000 legacy name" or something similar... --- Patrice > Hi Kevin, > [quoted text clipped - 13 lines] >> http://www.microsoft.com/technet/scriptcenter/guide/sas_usr_doig.mspx?mfr=true >> for more information. More than likely, it's the AD user object. Check all properties of that user (including the object's name itself) for the lowercase "u". Steve C. MCAD,MCSE,MCP+I,CNE,CNA,CCNA > Hi Kevin, > [quoted text clipped - 9 lines] >> http://www.microsoft.com/technet/scriptcenter/guide/sas_usr_doig.mspx?mfr=true >> for more information. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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