Error message when ASP.NET 2.0 is configured to run with a user account: "Unable to generate a temporary class"

• You create a Microsoft ASP.NET 2.0 application.
• ASP.NET 2.0 is configured to run with a user account.
• The SerializeAs attribute of the Profile property in ASP.NET 2.0 is set to Xml.

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Steps to reproduce the issue

1. Create a Web site in Microsoft Internet Information Services (IIS) Manager.
2. Create a local Microsoft Windows NT user account.
3. Click Start, click Run, type cmd, and then click OK.
4. At the command prompt, type the following command:
   cd Path
   Note Path represents the path of the Microsoft .NET Framework 2.0 folder on the computer.
5. At the command prompt, type the following command, and then press ENTER:
   aspnet_regiis -ga User
   Note User represents the user account that you created in step 2.
6. Change the application pool identity for the Web site that you created in step 1 to the account that you created in step 2.
7. Click Start, click Run, type cmd, and then click OK.
8. At the command prompt, type iisreset /restart, and then press ENTER.
9. Create a Web.config file, and then add the following code example to the Web.config file.
   
   Note <Server> represents the name of the server, <User> represents the user name, <Password> represents the password for the user, and <Catalog> represents the catalog name.

   <?xml version="1.0" encoding="utf-8"?>
   <configuration>
     <system.web>
       <customErrors mode="Off" />
       <profile defaultProvider="SqlPProvider" enabled="true">
         <providers>
           <add name="SqlPProvider" type="System.Web.Profile.SqlProfileProvider, System.Web, Version=1.2.3400.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="SqlPProviderConnection" />
         </providers>
         <properties>
           <add name="FavoriteURLs" type="System.Collections.Specialized.StringCollection" readOnly="false" serializeAs="Xml" />
         </properties>
       </profile>
       <anonymousIdentification enabled="true" cookieless="UseDeviceProfile" />
       <authentication mode="Forms">
         <forms>
           <credentials passwordFormat="Clear">
             <user name="a" password="a" />
           </credentials>
         </forms>
       </authentication>
       <authorization>
         <deny users="?" />
       </authorization>
     </system.web>
     <connectionStrings>
       <add name="SqlPProviderConnection" connectionString="server=<Server> ;UID=<User>;PWD=<Password>;Initial Catalog=<Catalog>" />
     </connectionStrings>
   </configuration>

10. Create a file that is named Login.aspx, and then add the following code example to the Login.aspx file.

    <%@ Page LANGUAGE="cs" %>
    <form runat=server>
    	<asp:literal runat=server id="MyText" Text=""></asp:literal>
    	<asp:TextBox runat=server id="UsernameTextBox" Text="Type a user name"></asp:TextBox>
    	<asp:TextBox runat=server id="PasswordTextBox" Text="Type a password"></asp:TextBox>
    	<asp:Button id="Submit"  Text="Submit" runat="server"/>
    </form>
    <script runat="server" >
    protected void Page_Load(Object source, EventArgs e)
      {
    	
    	MyText.Text += "[Login Page: you are not authenticated]<br>";
          String strUserName  = UsernameTextBox.Text;
          String strPassword  = PasswordTextBox.Text;
    
          bool   fPersist     = false;
          bool   fVerifed     = System.Web.Security.FormsAuthentication.Authenticate(strUserName, strPassword);
          if( fVerifed)
          {
              System.Web.Security.FormsAuthentication.RedirectFromLoginPage(strUserName, fPersist);
          }
      }
    
    </script>

11. Create a file that is named Test.aspx, and then add the following code example to the Test.aspx file.

    <%@ Page LANGUAGE="cs" Debug="true" %>
    <form runat="server">
    	<asp:Literal runat="server" id="Literal1" Text=""></asp:literal>
    	<asp:Button text="Signout" OnClick="Signout_Click" id="SignOutButton" runat=server/>
    </form>
    <script runat="server" >
    void Page_Load(object sender, EventArgs e) 
    {
    
    	Literal1.Text += "[User.Identity.Name=" + User.Identity.Name +"]<br>";
    	Profile.FavoriteURLs = new System.Collections.Specialized.StringCollection();
    	Profile.FavoriteURLs.Add("MyString1");
    	Profile.FavoriteURLs.Add("MyString2");
    	Profile.FavoriteURLs.Add("MyString3");
    
    
    	if (Profile.FavoriteURLs != null) {
    		for (int i=0; i<Profile.FavoriteURLs.Count; i++) {
    			Literal1.Text += "[FavoriteURLs=" + Profile.FavoriteURLs[i] + "]<br>";
    		}
    	}
    	
    }
    
    
    void Signout_Click(Object sender, EventArgs E) {  
        System.Web.Security.FormsAuthentication.SignOut();
        Response.Redirect(System.Web.Security.FormsAuthentication.LoginUrl);
    }
    </script>

12. Request Test.aspx.

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