asp.net - What's causing "Windows Security" login prompt to occur for just one user? -


details:

  • asp.net webforms
  • .net 4.0
  • windows authentication
  • iis 6
  • windows server 2003 sp2

enter image description here

only 1 user having issue connecting 1 virtual directory. says sees login form in ie, chrome, , firefox. uses windows credentials , unable login. able access other websites hosted in other virtual directories on same domain. no others experiencing issue. says able access site fine few weeks ago. causing dialog box appear user site no matter browser he's using?

since it's of user's web browsers, points user's permissions on server particular website.

if worked before user states, perhaps can ask server admins if changed regarding user permissions on server few weeks ago.

another path go down see if user (or desktop admins) has installed software on his/her machine disallow or alter windows authentication in browser site. far more unlikely simple user permissions issue on server since he/she can still access other protected websites windows authentication, might worth asking if you've run out of options.

yet unlikely possibility rule change on user's network's firewall somehow disallow user's ip address , windows authentication website. again, super unlikely, wanted cover bases here.


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