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Windows Server 2012 - Request.ServerVariables("LOGON_USER") does not work

Posted on 2013-11-22
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Last Modified: 2016-01-27
Hi Experts,
I moved my site to Windows Server 2012 and now I can't capture the LOGON_USER.
This worked fine in the past, but since the site is on the new server it won't return anything:

<%=Request.ServerVariables("LOGON_USER")%>

Perhaps I have to change something in the IIS Manager.
I'd really appreciate your help.
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Question by:romsom
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LVL 34

Expert Comment

by:Big Monty
ID: 39669349
you have authentication mode set to windows in IIS?
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Author Comment

by:romsom
ID: 39669373
Where do I have to set the authentication mode to windows?
When I double click "Authentication" I can see that the status of Anonymous Authentication is Enabled and ASP.NET Impersonation is Disabled.
No other options there.
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Expert Comment

by:Big Monty
ID: 39669378
is this iis 7.5?
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Author Comment

by:romsom
ID: 39669390
It is IIS 8
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LVL 34

Expert Comment

by:Big Monty
ID: 39669403
0
 

Author Comment

by:romsom
ID: 39669535
No matter how many times I try getting to the "Turn Windows features on or off" screen, I always get directed to the "Add Roles and Features Wizard".
I can't get to the third screenshot (Windows Features), where Internet Information Services is highlighted in yellow.
Instead I get redirected to the "Add Roles and Features Wizard". Maybe I have to add other roles and features to be able to view Windows Features?
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Accepted Solution

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Big Monty earned 2000 total points
ID: 39669657
my bad, that was windows 8 (yuck!)...try this

http://msdn.microsoft.com/en-us/library/hh167503(v=nav.71).aspx

scroll down about 3/4 a way down for windows server 2012
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Author Comment

by:romsom
ID: 39669808
I finally was able to get there and check Windows Authentication. Unfortunately this didn't help either. I even restarted the server, but nothing changed.
Request.ServerVariables("LOGON_USER") doesn't display anything. When I try the following I get the 401 Error:

<%
If Request.ServerVariables("LOGON_USER") = "" Then
Response.Status = "401 Access Denied"
Response.End
End If
%>

<%=Request.ServerVariables("LOGON_USER")%>
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LVL 34

Expert Comment

by:Big Monty
ID: 39669819
did you set it to windows authentication after you installed it?
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Author Comment

by:romsom
ID: 39669825
I finally was able to get there and check Windows Authentication.

Under Sites Windows Authentication showed up and I enabled it. Now it's working, thank you very much for your help.
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Author Closing Comment

by:romsom
ID: 39669829
Thank you very much, it's finally working!
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Expert Comment

by:shivaji akarshe
ID: 41435069
Hi

Sorry to post old question,

Windows Server 2012 - Request.ServerVariables("LOGON_USER") does not work me too.

I have tried all the settings in Authentication. Anonymous is disable Windows Authentication enabled
but  Request.ServerVariables("LOGON_USER") is still empty for me. :(
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LVL 34

Expert Comment

by:Big Monty
ID: 41435319
@Shivaji - There are times when LOGIN_USER will come up empty, if you're going through a proxy and other certain network configurations (I can't remember the specifics at this time).

I recommend opening a new question so that more experts will see it and provide answers for you.

in the meantime, you can try googling:

Request.ServerVariables("LOGON_USER") will come up empty
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