Re: Unable to start debugging on the web server

From: Greg Dunn (TechLists_at_gregdunn.com)
Date: 05/16/05

  • Next message: thechaosengine: "Re: Authentication doesnt work when using non - microsoft browsers :-(" 
    Date: Sun, 15 May 2005 19:42:02 -0700

    >>>>>> The student machines are running WindowsXP.

    Correction: they're running Win2000 SP4.

    Greg Dunn

    "Greg Dunn" <TechLists@gregdunn.com> wrote in message
    news:OObVI7IWFHA.628@tk2msftngp13.phx.gbl...
    > In attempting to run a very basic web application on a student machine in
    > a classroom, the following error message appears:
    >
    > Error while trying to run project: Unable to start debugging on the web
    > server. Access is denied.
    >
    > The associated Help entry recommends checking several things. I have
    > listed the results of doing so after each item. I will be grateful if
    > someone can suggest additional items to check, since none of those listed
    > has proven to be the source of the problem.
    >
    > a.. Are you running a version of Windows that allows the Visual Studio
    > debugger to automatically attach to a Web application? If not, you need to
    > launch the application without debugging and manually attach to it. (For
    > more information, see Manually Attaching and ASP.NET Debugging: System
    > Requirements.)
    >
    >>>>>> The student machines are running WindowsXP.
    >
    >
    > a.. Does your Web application have a Web.config file?
    > a.. Does the Web.config file enable debug mode) by setting the debug
    > attribute to true? For more information, see Debug Mode in ASP.NET
    > Applications.
    > b.. Does the Web.config file contain any syntax errors? You can check for
    > syntax errors by running the Web application without debugging. (From the
    > Debug menu, choose Start Without Debugging.) If there are syntax errors in
    > Web.config, detailed information will be displayed.
    >>>>>> App has the default Web.config file, which sets debug=true and has no
    >>>>>> syntax errors.
    >
    >
    > You need to be a member of the Debugger Users group or an administrator if
    > the ASP.NET worker process runs under your own user account.
    >
    >>>>>> All students are members of the Debugger Users group
    >
    > a.. You need to be a member of the Administrators group if the ASP.NET
    > worker process runs under any other user account besides your own.
    >
    >>>>>> Making students administrators of the local machine does solve the
    >>>>>> problem, but opens a major security hole.
    >
    > a.. Did you create the project by specifying a specific IP address
    > (100.20.300.400, for example)? Debugging a Web server requires NTLM
    > authentication. By default, IP addresses are assumed to be part of the
    > Internet, and NTLM authentication is not done over the Internet. To
    > correct this problem:
    > a.. When creating the project, specify the name of the machine on your
    > intranet.
    > -or-
    >
    > b.. Add the IP address (http://100.20.300.400) to the list of trusted
    > sites on your computer. (From the Internet Explorer Tools menu, choose
    > Internet Options, and then select the Security tab).
    >
    >>>>>> No. I simply created a new ASP.NET web application in the standard
    >>>>>> way, dragged a Label and a TextBox onto the main form, and launched.
    >
    >
    > a.. Does the machine running IIS server have Visual Studio .NET Remote
    > Components installed?
    >
    >>>>>> I have not confirmed this, and will not be able to verify this until
    >>>>>> Monday. However, I do believe Visual Studio was installed with all
    >>>>>> the defaults. Is this a likely source of the problem? Do the remote
    >>>>>> debugging facilities even come into play when running IIS locally on
    >>>>>> the development machine?
    >
    > a.. Was IIS installed on the local machine (the machine running Visual
    > Studio .NET) after Visual Studio .NET was installed? IIS should be
    > installed before Visual Studio .NET. If it was installed afterwards, you
    > may need to repair the .NET Framework.
    >
    >>>>>> IIS was installed prior to the installation of Visual Studio .NET
    >
    >
    >

  • Next message: thechaosengine: "Re: Authentication doesnt work when using non - microsoft browsers :-("

    Relevant Pages

    • Re: Debugging issue to watch variable values - constructive options
      ... Of course not, hey, it's the release mode after all. ... I disagree here, as I am debugging release frequently, and I am watching variable values in release frequently. ... - moan and moan and moan and moan about how compiler is broken and MS evil or bad or whatever:) ... To solve the debugging problems of the release mode, the debug mode was invented. ...
      (microsoft.public.vc.language)
    • RE: VS2003 Starts and Debugs Slower Than VS2002
      ... I had all ready verified it was not in mix-mode debugging (you ... VB projects (both windows and class libraries). ... slowly and take a long time to enter debug mode with an error occurs. ... This posting is provided "AS IS" with no warranties, ...
      (microsoft.public.vsnet.general)
    • Re: Why is Visual Studio debugging so slow?
      ... Well, debug mode is slow compared to release mode, but the slowness you are ... Unmanaged Debugging set to true. ... > quicker, but of course, I don't have the debugging then. ... > sitting blank for 30-40 seconds, then it says web site found, and finally ...
      (microsoft.public.dotnet.framework.aspnet)
    • Debug Question
      ... modify the debug attribute of the compilation element in the ... The first method is working fine -- but it turns detailed debugging on ... Note that this second technique will cause all files within a given ... application to be compiled in debug mode. ...
      (microsoft.public.dotnet.framework.aspnet)
    • Unable to start debugging on the web server
      ... Are you running a version of Windows that allows the Visual Studio ... launch the application without debugging and manually attach to it. ... Debugging a Web server requires NTLM ... Internet, and NTLM authentication is not done over the Internet. ...
      (microsoft.public.dotnet.framework.aspnet.security)