.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Win Surprise Gifts!!!

Top 5 Contributors of the Month
Gaurav Pal
Post New Web Links

HTTP could not register URL http://+:80/Temporary_Listen_Addresses// because TCP port 80 is be

Posted By:      Posted Date: October 04, 2010    Points: 0   Category :WCF

I have a wcf service using wsDualHttpBinding. I have verified the config files and they are correctly using wsDualHttpBinding entries. When am runing the client I am getting the following exception.

I have verified the config file at the clien and it does has client callback endpoint as follows


Can someone help me understand whats missig here?



<endpoint address="http://localhost:4251/WCF_DualHttp/Service.svc"

binding="wsDualHttpBinding" bindingConfiguration="WSDualHttpBinding_IPingService"

View Complete Post

More Related Resource Links

TTP could not register URL http://+:80/Temporary_Listen_Addresses//because TCP port 80 is bein



I've a problem in WCF Duplex Contract.

I created a WCF service with wsDualHTTP Binding and hosted it by Self Hosting method.  Now my service is running as a window service.  And i refer service url in my client windows application and i tested everything is work fine, when i do all this stuff in a my local box and in LAN inside my lab.

Now the problem is i deployed this service and client application in "Citrix" box.  And i created 3 more session and i tried to access my WCF service, i got following error

"HTTP could not register URL http://+:80/Temporary_Listen_Addresses/<guid>/because TCP port 80 is being used by another application......."

I googled and i got the following link for reference "http://social.msdn.microsoft.com/forums/en-US/wcf/thread/3baf3142-63a0-4df6-bade-ea91cb477c1a/"

I added "ClientBaseAddress" inside the  Binding tag in both "service and client" (http://localhost:8001/WcfTestBridge/service).  Now i tested with one session with Citrix box.  Its worked fine.


Then i created one more session i tried to access wcf service, i got exception like ""HTTP could not register URL http://

Error while accessing the Sharepoint Foundation http://sharepoint server:port/_vti_bin/lists.asmx



Error while accessing the Sharepoint Foundation http://sharepoint server:port/_vti_bin/lists.asmx. we got below error. please help us to sort this below error.

The top XML element 'string' from namespace 'http://schemas.microsoft.com/sharepoint/soap/' references distinct types Microsoft.SharePoint.SoapServer.SoapXml.SoapXmlElement and System.String. Use XML attributes to specify another XML name or namespace for the element or types.


Troubleshoot issues with Microsoft SharePoint Foundation.

Correlation ID: fe7f8707-44db-4744-8a78-337a5e8a80de

Date and Time: 10/25/2010 10:32:28 AM

Thanks & Regards,



ASP.NET Architecture - ASP.NET Worker Process - HTTP Pipleline - Http Modules and Handlers

"ASP.NET is a powerful platform for building Web applications, that provides a tremendous amount of flexibility and power for building just about any kind of Web application. Most people are familiar only with the high level frameworks like WebForms and WebServices which sit at the very top level of the ASP.NET hierarchy. In this article I'll describe the lower level aspects of ASP.NET and explain how requests move from Web Server to the ASP.NET runtime and then through the ASP.NET Http Pipeline to process requests.

Open File Print File Excel

Batch print many Excel files without having to open each one at a time. Quickly print mass amounts of xls files at once with this program. You must have Excel installed on your machine..

Writing Http Handlers and Modules in IIS 7.5

This article describes how Http modules and handlers are to be written and configured in IIS 7.5. The concept of a handler and module remains same, so dose there programming model. In this section we start off with the concept of a Http module and a Http handler, then talk about how to code them and finally describe the two methods available to configure them.

HTTP Error 403 - Forbidden


(VB Express website directed me to ASP.NET Web Services which in turn redirected me to this forum).

 Hopefully someone can help me here...... 

I am using VIsual Web Developer and downloaded the small business application to use as a starting point to help my wife get a website up for her small business. When I load the application, I can F5 and it runs fine but as soon as I make any modification to the app and hit F5, I get the HTTP Error 403 - Forbidden when it tries to show the website.

I notice a pop up that occurs when I run that allows me to choose the link for my app and it displays correctly (I close the webpage that has the error on it).

This seems like a pain, is there a setting I'm missing - I would think that this should "just work".

What's up?????



http/localhost is empty


I have Win , I install the following

in Internet Information Service->

Web Management Tools (check)

Application Development Features I check (.Net Extensibility, ASP.net, ISAPIExtensions, ISAPIFilterd,  I can see  IIS Manager under my Administrative tool , but when I call


I  can't see the welcome page , what is wrong

thank you!

I am not able to read xml file with XDocument if its Descendants has Attribute xmlns="http://abc.co


I am not able to read xml file with XDocument if its Descendants has  Attribute like:-

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
  <row ID="1" xmlns="http://www.opentravela.org/OTA/2003/05">
    <var country_name="Caribbean and Rest of the world" city_name="Kingston" flight_category="Economy Class" via="Atlanta" flight_departure="London Heathrow" airline_logo="Delta" adult_fare="Delta" child_fare="660" infant_fare="561" date1="132" date2="2010-08-15" />


I don't know what to do ?

Looking for some help..

HTTP Post and WebService


I am working on a application which will accept the data in the post request. My application also wants to expose a web service and want to call another web service. Considering all these 3 action that I want to do, can I create a single application which will have a web form which will accept the POST request and expose a web service at the same time.

Although it may be possible to achieve this, Is this a correct way of doing it?

How to read the custom http header



I have just joined the forum. I have a very simple query. I have added custom header to my website. Now I want to read the custom header. I am using IIS 6.0 on windows XP. I have already tried using using the Request.ServerVariables and and Request.header method. But none of them give me the custom header added to website.

Can any body help?

Thanks a lot in advance



A connection could not be made to the report server http://localhost/ReportServer.



  • I created a Report using Business Intelligence Studio. Its working working well, i can able to view records. But when i try to deploy the report an error occurs specifying that "A connection could not be made to the report server http://localhost/ReportServer. (Microsoft Report Designer)".
  • I open the IIS 7 and find out virtual directories "Reports" and "ReportServer" are available.
  • I check on the browser and type "http://localhost/reports".  I find the browser direct to this url: http://localhost/reports/Pages/Folder.aspx and find error specifying the following one:

         Error:The report server is not responding. Verify that the report server is running and can be accessed from this computer.

  • when i type http://localhost/reportmanager, i found the error:

    HTTP Error 404.0 - Not Found

    The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.


Test Run: Web Application HTTP Request-Response Test Automation with JavaScript


Write a simple browser-based request-response test automation using JavaScript that's platform independent and useful when you are working in a highly dynamic environment.

James McCaffrey

MSDN Magazine January 2010

Toolbox: Rich AJAX Data Controls, Analyzing HTTP Traffic, And More


This month we look at rich data Web controls for AJAX, HTTP traffic analysis, and more.

Scott Mitchell

MSDN Magazine March 2009

WCF Syndication: HTTP Programming with WCF and the .NET Framework 3.5


Introducing Web-centric features of Windows Communication Foundation in the .NET Framework 3.5, including the HTTP programming model and the new syndication API.

Justin Smith

MSDN Magazine January 2008

IIS 7.0: Extend Your WCF Services Beyond HTTP With WAS


Learn about a new IIS feature called the Windows Process Activation Service (WAS) that makes it possible to host Web services beyond HTTP.

Dominick Baier, Christian Weyer, and Steve Maine

MSDN Magazine September 2007

Toolbox: Analyze HTTP Traffic, Synchronize Databases, and More


Debugging Web applications can be a difficult process due to the logical, physical, and temporal differences between the mishmash of technologies that comprise such an application. For bugs that arise from the HTML and script received by the browser or in the transfer or request of a page's markup, developers often adopt archaic debugging techniques, such as using View Source and Notepad to scrutinize the contents received by the browser.

Scott Mitchell

MSDN Magazine April 2006

ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend