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Thread: HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

  1. #1
    Join Date
    Jul 2009
    Posts
    81

    HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

    Hi,

    I downloaded the ISS 5.1 and create a local server, however when trying to access it I get the following error message :

    HTTP 401.1 - Unauthorized: Logon failure
    Internet Information Services


    I have WinXP Pro SP2 I have tried various solutions through Google, which spoke of a problem with the loopback feature SP2s safeguards. I am not particularly technically savvy, working my way through the books today. If anyone can help me I would appreciate it !!!

  2. #2
    Join Date
    May 2008
    Posts
    476

    Re: HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

    HTTP 401.1 - Unauthorized: Logon failure is due to IIS anonymous user has probably been removed, either accidentally or password has changed.

    Try to open IIS Manager (Start-> Run-> '-inetmgr'> OK), right-click the Default Web Site, choose Properties, select "Directory Security", click 'Edit' button next to "Anonymous Access" (the checkbox should be checked), and now enter your username and password in the credentials.

  3. #3
    Join Date
    May 2008
    Posts
    260

    Re: HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

    To resolve your Logon failure issue , try the following steps :
    1. Go to Control Panel -> Administrative Tools -> Internet Information Services
    2. Next, select Local comupter "Web Site" -> "Default Web Site"
    3. Then click on the directory containing your site or if you are in the rool, click the folder with the "right Default Web Site".
    4. Then under the "directory security" tab click the "Edit" under "anonymous access and authentication control".
    5. Uncheck "Integrated Windows authentication" and then check "anonymous access " on top. Be sure to check "Allow the ISS .... control"


    Now you go and try new website. It should work.

  4. #4
    Join Date
    May 2008
    Posts
    181

    Re: HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

    Unauthorized: Logon Failed error, because SQL Server Reporting Services needs to use integrated security and not VS2008 deploy reports when anonymous authentication is turned on. So make sure you have the correct name of the IUSR account specified in the IIS MMC, and also has the correct password. You may have to disable the password box control and manually provide one - which also means you have to change the User Manager to match.

  5. #5
    Join Date
    May 2008
    Posts
    217

    Re: HTTP 401.1 - Unauthorized: Logon Failed Internet Information Services - IIS

    To remve this error, you need to set the DisableLoopbackCheck registry key yourself, follow these steps below:

    1. Set the DisableStrictNameChecking registry entry to 1.
    2. Click Start, click Run, type regedit, and then click OK.
    3. In Registry Editor, locate and then click the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
    4. Right-click Lsa, point to New, and then click DWORD Value.
    5. Type DisableLoopbackCheck, and then press ENTER.
    6. Right-click DisableLoopbackCheck, and then click Modify.
    7. In the Value data box, type 1, and then click OK.
    8. Quit Registry Editor, and then restart your computer.

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