The problem was that I also had IIS configured to use those ports. Occasionally this 'unable to launch because port is in use' error happens when one of the visual studio processes (webdev.webserver.exe) is still running and locked. Not the answer you're looking for? Try a really high port like 50000 and see if it works. http://somitek.com/visual-studio/unable-to-launch-the-asp-net-development-server-hatas.html
Golf a Numerical Growing Braid Help, my office wants infinite branch merges as policy; what other options do we have? Up-voting :) –Porschiey Jul 1 '13 at 14:34 add a comment| up vote 4 down vote The problem was solved for me configuring NOD32 firewall to no longer see VS like For the last 20 years, I have been building big web applications that business wants and users like to use. share|improve this answer edited Feb 1 '09 at 15:20 answered Feb 1 '09 at 15:15 olle 4,1671627 2 Thanks, I tried netstat, and there's nothing running on port 1900. –Shaul http://digitaltoolfactory.net/blog/2012/08/how-to-fix-the-unable-to-launch-the-visual-studio-development-server-because-port-9452-is-in-use-error/
Snowman Bowling What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami? All Rights Reserved. Step 4: Click "OK" and close NOD32. You should now be able to launch the ASP.NET Development web server again without issue. 3 Comments. problem solved.
Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest 24 comments: savitha singh6 May 2015 at 02:39Thanks for sharing such informative guide on .Net technology. Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! It was this web service's design view that was trying to launch the development server - which is why I couldn't type a single character of code without getting the error. Failed To Start Asp.net Development Server On Port Step 1: Double-click the NOD32 Antivirus link in your system tray. Highlight "Setup" in the left pane and click "Antivirus and antispyware" Step 2: Click ConfigureU under Web access protection
April 2, 2009 Michael Gerety Portals & Collaboration This error displays itself when trying to debug a Web Application or Web Service project from within Visual Studio 2005 and/or Visual Studio In the Properties pane, click the down-arrow beside Use dynamic ports and select False from the drop-down list. Tsvetomir August 17, 2011 7:37 pm Thank You very much - I spent two hours before finding your post to resolve this!!! https://forums.asp.net/t/1303467.aspx?Unable+to+launch+ASP+Net+Development+Server I have tried different ways to get rid of this .
Why is the oil light on in my new Honda Pilot after 4000 miles? Change Iis Express Port Visual Studio Thanks in advance... Nazmul Ahsan Reply vjose None 0 Points 1 Post Re: Unable to launch ASP.Net Development Server Aug 19, 2009 03:29 AM|vjose|LINK If you are running it under vista, make sure to Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies
SAP Training in ChennaiReplyDeletePooja Doss5 October 2015 at 02:54This information is impressive..I am inspired with your post writing style & how continuously you describe this topic. http://digitaltoolfactory.net/blog/2012/08/how-to-fix-the-unable-to-launch-the-visual-studio-development-server-because-port-9452-is-in-use-error/ share|improve this answer answered Feb 1 '09 at 15:13 Nick Berardi 40k1393126 The OP indicates that he's already tried rebooting, which would mean that this isn't the case of Unable To Launch The Visual Studio Development Server Because Port Is In Use share|improve this answer edited May 20 '12 at 12:17 Bart 14.1k63458 answered May 20 '12 at 0:21 Steve Kane 211 add a comment| up vote 1 down vote One thing I Port Is In Use Visual Studio 2015 You can leave a comment, or trackback from your own site. 2 responses to "How to fix the "Unable to launch the visual studio development server because port 9452 is in
None 0 Points 1 Post Re: Unable to launch ASP.Net Development Server Jul 10, 2013 06:19 AM|Shivam Sharma|LINK Error- Unable to launch the ASP.NET Development Server because port '80' is in WebDev.WebServer.exe is located in C:\Program Files\Common Files\Microsoft Shared\DevServer\9.0 for vs 2008. People are more important than things. MSDN Library MSDN Library MSDN Library MSDN Library Design Tools Development Tools and Languages Mobile and Embedded Development .NET Development Office development Online Services Open Specifications patterns & practices Servers and Visual Studio Port Already In Use
Now I'm living in Seattle and working for a large book store. Posted 19-Jul-13 3:50am YashwanthBathini609 Add a Solution 2 solutions Top Rated Most Recent Rate this: Please Sign up or sign in to vote. pls remember to MARK AS ANSWER if my reply helped you.... "The trouble with doing something right the first time is that nobody appreciates how difficult it is." Reply ppk22772 None this content What's the difference between ls and la?
Websphere Training in ChennaiReplyDeletePooja Doss5 October 2015 at 02:53 Data warehousing Training in Chennai I am reading your post from the beginning, it was so interesting to read & I feel Port Is In Use Visual Studio 2012 Then I was able to run the site. All rights reserved.
Opening the .csproj file by right click the unloaded projoect Reloading the project (without any change) Sometimes it solves the problem... thanks –Max_dev Nov 7 '14 at 7:40 I had the same problem. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. Port Is In Use Error Visual Studio 2013 Treat my content as plain text, not as HTML Preview 0 … Existing Members Sign in to your account ...or Join us Download, Vote, Comment, Publish.
However, I also have a workaround: Open your Visual Studio 2008 Command Prompt (Start-> Microsoft Visual Studio 2008 -> Visual Studio Tools -> Command Prompt). asked 7 years ago viewed 61384 times active 5 months ago Blog Stack Overflow Gives Back 2016 Developers, Webmasters, and Ninjas: What’s in a Job Title? Weird –sparebytes Mar 9 '15 at 20:53 add a comment| up vote 2 down vote I found a solution that doesn't require rebooting (for Windows 7). http://somitek.com/visual-studio/unable-to-launch-the-asp-net-development-server-visual-studio-2010.html The Solution Open up the process manager, go to the Processes tab, and select "WebDev.WebServer40.exe" and click "End Process".
This should run the server manually and listen on the specified port. Symptoms: - When I start a visual studio web services project at a certain port, e.g. 10080. - After a while Visual Studio compains "Unable to launch the Visual Studio Development Next to the clock, in the task bar there's a list of icons which can be seen if you click on the triangle icon that is next to the flag icon. I HAVENOT NOD 32 OR ANY ANTIVIRUS BUT WHEN CLILCK RUN THEN MESSAGE SHOW : UNABLE TO LAUNCH THE ASP.NET DEVELOPMENT SERVER Zubadalama July 6, 2011 6:05 pm Thank you very
This documentation is archived and is not being maintained. When you try to F5 your app (launch your application from visual studio) then it conflicts with the current port in use and the above 'because port XYZ is in use' You can do this in the project's configuration dialogs share|improve this answer answered Feb 1 '09 at 15:20 Chris Ballance 20.9k1985136 The question states this didn't work. –olle Feb Hope this would helpyou as well.
Note that you need to paste only the directory where your .asmx file is. Powered by Blogger. You then get the "Unable to launch the visual studio development server because port 9452 is in use" error The Cause When Visual Studio crashed, the Web Server did not, so Do you need your password?
Cheers Iain share|improve this answer answered Mar 24 '10 at 0:58 Iain Fraser 2,91433160 add a comment| up vote 0 down vote I had same problem, "unable to launch asp.net development The future of .net application development is on positive note. share|improve this answer answered Jul 5 '11 at 12:27 Victor 411 This solved it for me. –dan richardson Oct 16 '12 at 11:25 add a comment| up vote 3 Whenever I hit F5 it shows this.
Right click and select "stop"!