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Website Event Log Errors

Answered Website Event Log Errors

  • Friday, March 22, 2013 5:02 PM
     
     
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    Windows 2008 R2

    Impersonation is enabled and anon access with the IUSR no SID.

    Standard method to insert a log, the source exists, already created it with an installer.

    Locally on my dev box works great, but user is me administrator, on Windows 2003 code works fine too, it's not until i use IIS 7 on Windows 2008 do i get the following error:

    Current User: NT AUTHORITY\IUSR SSID: 
    Create Eventlog Item Exits?: True
    Create Eventlog Item Error?: False
    Insert Eventlog Error?: True
    ex.Message
    Cannot open log for source 'Magellan Client Services'. You may not have write access.
    ex.Source
    System
    ex.StackTrace
    at System.Diagnostics.EventLogInternal.OpenForWrite(String currentMachineName) at System.Diagnostics.EventLogInternal.InternalWriteEvent(UInt32 eventID, UInt16 category, EventLogEntryType type, String[] strings, Byte[] rawData, String currentMachineName) at System.Diagnostics.EventLogInternal.WriteEntry(String message, EventLogEntryType type, Int32 eventID, Int16 category, Byte[] rawData) at System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type, Int32 eventID, Int16 category, Byte[] rawData) at System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type) at Utility_eventlogtest.Page_Load(Object sender, EventArgs e) in d:\Staging\ClientServices\Utility\eventlogtest.aspx.cs:line 36
    ex.InnerException.Message
    Access is denied
    ex.InnerException.Souce

    ex.InnerException.StackTrace

    Code:

    eventlogtest.aspx.cs

           

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;

    public partial class Utility_eventlogtest : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            bool create = false;
            bool err = false;
            bool eventlog = false;
            string currentuser = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
            var httpuser = HttpContext.Current.User.Identity as System.Security.Principal.WindowsIdentity;
            string ssid = "";

            try
            {
                try
                {
                    ssid = httpuser.User.ToString();
                }
                catch { }
                if (!System.Diagnostics.EventLog.SourceExists("Magellan Client Services"))
                {
                    create = true;
                    System.Diagnostics.EventLog.CreateEventSource("Magellan Client Services", "Application");
                }
                else
                {
                    eventlog = true;
                }
                err = true;
                System.Diagnostics.EventLog.WriteEntry("Magellan Client Services", "Test Entry", System.Diagnostics.EventLogEntryType.SuccessAudit);
            }
            catch (HttpException)
            {
                lblHttpMsg.Text = "Http exception caught";
            }
            catch (Exception ex)
            {

                lblMsg.Text = "<B>ex.Message</b><BR />" + ex.Message + "<br><b>ex.Source</b><BR />" + ex.Source + "<br><b>ex.StackTrace</b><BR />" + ex.StackTrace + "<br><B>ex.InnerException.Message</b><br />" + ex.InnerException.Message + "<br><B>ex.InnerException.Souce</b><br />" + ex.InnerException.Source + "<br><B>ex.InnerException.StackTrace</b><br />" + ex.InnerException.StackTrace;
            }
            finally
            {
                lblMsg.Text = "Current User: " + currentuser + " SSID: " + ssid + "<BR>Create Eventlog Item Exits?: " +eventlog+ "<BR>Create Eventlog Item Error?: " +create+"<BR>Insert Eventlog Error?: " + err + "<BR />" + lblMsg.Text;
            }
        }
    }

    eventlogtest.aspx

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="eventlogtest.aspx.cs" Inherits="Utility_eventlogtest" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
            <asp:Label ID="lblMsg" runat="server"></asp:Label>
            <asp:Label ID="lblHttpMsg" runat="server"></asp:Label>
        </div>
        </form>
    </body>
    </html>

     

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