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• 09-06-2008, 12:05 AM

  hlaskin Joined on 07-14-2008, 8:57 AM Posts 10

  ERROR 404.3 Not Found Reply Contact  Using Windows Vista Home Premium.  This has IIS V7 and it is working properly when I type localhost in the address bar of I.E.    When I attempt to open a program using localhost I get the following error:     HTTP Error 404.3 - Not Found The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler. If the file should be downloaded, add a MIME map.   I have no idea what a handler or a mime map means. I went unto Microsoft support site and found the following which again I do not know how to configure a handler or mime let alone what they mean. Error message when users visit a Web site that is hosted on a server that is running Internet Information Services 7.0: "HTTP Error 404.3 - Not Found" View products that this article applies to. function loadTOCNode(){} Article ID : 942032 Last Review : October 4, 2007 Revision : 1.0 SYMPTOMS loadTOCNode(1, 'symptoms'); Consider the following scenario. You have a Web site that is hosted on a server that is running Internet Information Services (IIS) 7.0. When users visit this Web site, the users receive the following error message: Server Error in Application "<application name>" -------------------------------------------------------------------------------- HTTP Error 404.3 - Not Found HRESULT: 0x80070032 Description of HRESULT: The page you are requesting cannot be served because of the Multipurpose Internet Mail Extensions (MIME) map policy that is configured on the Web server. The page you requested has a file name extension that is not recognized, and is not allowed. Back to the top CAUSE loadTOCNode(1, 'cause'); This problem occurs if the following conditions are true: • The handler mapping for the requested file name extension is not configured. • The appropriate MIME type is not configured for the Web site or for the application. Back to the top RESOLUTION loadTOCNode(1, 'resolution'); To resolve this problem, follow these steps: 1. Configure a handler mapping for the requested file name extension. To do this, follow these steps: a. Click Start, type inetmgr in the Start Search box, and then click Inetmgr in the Programs list. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue. b. In IIS Manager, expand the server, expand Web sites, and then click the Web site that you want to modify. c. In Features View, double-click Handler Mappings. d. Configure an appropriate handler mapping for the type of the requested file name extension. 2. Configure an appropriate MIME type for the Web site. To do this, follow these steps: a. Click Start, type inetmgr in the Start Search box, and then click Inetmgr in the Programs list. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue. b. In IIS Manager, expand the server, expand Web sites, and then click the Web site that you want to modify. c. In Features View, double-click MIME Types. d. In the Action pane, click Add. e. Add the extension of the required file and the MIME type in the Add MIME Type box, and then click OK. I am a novice and would appreciate your support and patience in helping me to resolve this issue.   thank you in advance for your support.  Hank Laskin

• 09-06-2008, 12:24 AM

  In reply to

  mukhtard Joined on 07-07-2008, 9:13 PM Redmond, WA Posts 165	Re: ERROR 404.3 Not Found Reply Contact What kind(ASP.NET, classic ASP etc) of application is this? For example if this is an ASP.NET application make sure that IIS7's ASP.NET feature is installed. Thanks, Mukhtar Desai IIS Performance Team

• 09-06-2008, 2:38 PM

  In reply to

  hlaskin Joined on 07-14-2008, 8:57 AM Posts 10

  Re: ERROR 404.3 Not Found Reply Contact mukhtard, Thank you for your speedy reply. The address of the program I am attempting to open and work on my computer is: http://localhost/web-link/login.asp  As mentioned in my earlier request, I am a novice at IIS and would really appreciate a step by step instruction as to how I can make sure that IIS7's feature is installed.  Also, if I find by your instructions that it is not installed, please instruct me as to how to do this. Thak you again in advance for your assistance and support. Hank Laskin

• 09-06-2008, 5:51 PM

  In reply to

  mukhtard Joined on 07-07-2008, 9:13 PM Redmond, WA Posts 165

  Re: ERROR 404.3 Not Found Reply Contact hlaskin: mukhtard, Thank you for your speedy reply. The address of the program I am attempting to open and work on my computer is: http://localhost/web-link/login.asp  As mentioned in my earlier request, I am a novice at IIS and would really appreciate a step by step instruction as to how I can make sure that IIS7's feature is installed.  Also, if I find by your instructions that it is not installed, please instruct me as to how to do this. Thak you again in advance for your assistance and support. Hank Laskin

• 09-06-2008, 5:55 PM

  In reply to

  mukhtard Joined on 07-07-2008, 9:13 PM Redmond, WA Posts 165	Re: ERROR 404.3 Not Found Reply Contact So it looks like you don't have IIS7's ASP feature installed. To install it: Start -> Run -> appwiz.cpl -> Turn Windows features on or off -> Internet Information Services -> World Wide Web Services -> Application Development Features -> ASP (check it and then click OK) Thanks, Mukhtar Desai IIS Performance Team

• 09-07-2008, 12:52 AM

  In reply to

  hlaskin Joined on 07-14-2008, 8:57 AM Posts 10	Re: ERROR 404.3 Not Found Reply Contact Mukhtar,  You hit the nail right on the head.  That is exactly what the problem was.  I really appreciate you very clear and detailed explanation.  It was a breeze.   Thank you so very much for taking the time and giving me your support. Hank Laskin