Windows Server - Problem acessing TS
Asked By Dom Afonso on 25-Jun-12 02:25 PM
I installed Terminal Server on Windows Server 2008 Standard and when I run it in the browser, I get the following error:
Object reference not set to an instance of an object.
Description:
An unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the error and
where it originated in the code.
Exception Details:
System.NullReferenceException: Object reference not set to an instance of an
object.
Source Error:
Line 18:
Line 19: System.Security.Principal.WindowsPrincipal wUser = User as System.Security.Principal.WindowsPrincipal;
Line 20: if (wUser.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator) || User.IsInRole("TS Web Access Administrators"))
Line 21: fUserAdmin = true;
Line 22: else
|
Source File:
c:\Windows\Web\ts\en-US\Default.aspx Line: 20
Stack
Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
ASP.en_us_default_aspx.Page_Init(Object sender, EventArgs e) in c:\Windows\Web\ts\en-US\Default.aspx:20
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +24
System.Web.UI.Page.OnInit(EventArgs e) +104
System.Web.UI.Control.InitRecursive(Control namingContainer) +132
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1969
|
Do anyone know how to solve this?
Robbe Morris replied to Dom Afonso on 25-Jun-12 02:29 PM
I see an IF statement comparing wUser and User. Are these the same object?
Peter Bromberg replied to Dom Afonso on 25-Jun-12 09:42 PM
You need to put a breakpoint on line 20 and mouse over your wUser etc. variables to see which one is null. What kind of IIS authentication do you have set for this web application? You need to uncheck anonymous and choose Windows if you expect to get any Windows users.
Jitendra Faye replied to Dom Afonso on 26-Jun-12 12:29 AM
This problem comes when you try to get or set values from any null object.
so before fetching or setting value first check that is it null or what.
check for object where you are getting error.
In your code check for this line-
System.Security.Principal.WindowsPrincipal wUser = User as System.Security.Principal.WindowsPrincipal;
First check -
wUser is null or what , if it is null then you will get this error.
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