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'도메인 이름 (FQDN)'에 해당되는 글 1건

  1. 2008.11.25
    HTTP Response: 401 Unauthorized

Error message when you run the Communications Server 2007 Validation Wizard to validate the Web Components Server: "Received a failure HTTP response.: HTTP Response: 401 Unauthorized"

In the Microsoft Office Communications Server 2007 Microsoft Management Console (MMC) snap-in, you run the Communications Server 2007 Validation Wizard to validate the Web Components Server. When the validation process is complete, you receive error messages that resemble the following error message:
URL: Check https://PoolFQDN/GroupExpansion/Int/Service.asmx
Received a failure HTTP response.: HTTP Response: 401 Unauthorized

Content-Length:1539
Content-Type:text/html
Server:Microsoft-IIS/6.0
WWW-Authenticate:Negotiate,NTLM
X-Powered-By:ASP.NET
Date:Day, DateTime GMT

URL: https://PoolFQDN/Abs/Int/Handler/FileName.lsabs
Received a failure HTTP response.: HTTP Response: 401 Unauthorized

Content-Length:1539
Content-Type:text/html
Server:Microsoft-IIS/6.0
WWW-Authenticate:Negotiate,NTLM
X-Powered-By:ASP.NET
Date:Day, DateTime GMT
Note In this error message, PoolFQDN represents the fully qualified domain name (FQDN) of the enterprise pool.

This behavior occurs if the following conditions are true:
  • You have a server that is running Windows Server 2003 Service Pack 1 (SP1).
  • On the Validation steps page of the Validation Wizard, you click to select the Validate Local Server Configuration check box and the Validate Connectivity check box.

    This behavior occurs because the Validation Wizard uses the FQDN of the Communications Server 2007 enterprise pool to access the Group Expansion virtual server and the Address Book Server (ABS) virtual server.
    Note The Group Expansion virtual server and the ABS virtual server are on the Communications Server 2007 server that is hosting the Web Components Server.
    Windows Server 2003 SP1 includes a loopback check security feature. This feature prevents reflection attacks on your computer. Therefore, if the FQDN or the custom host header does not match the local computer name, authentication fails.
    Note Windows XP Service Pack 2 (SP2) also includes the loopback check security feature.


    Method 1: Disable the loopback check security feature
  • Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.
    Note If you do not want to disable the loopback check security feature, use Method 2.
    To do this, follow these steps:
    Click Start, click Run, type regedit, and then click OK.
    In Registry Editor, locate the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
    Right-click the Lsa registry subkey, point to New, and then click DWORD Value.
    Type DisableLoopbackCheck, and then press ENTER.
    Right-click DisableLoopbackCheck, and then click Modify.
    In the Value data box, type 1, and then click OK.
    Exit Registry Editor, and then restart the computer.
    Back to the top

  • Method 2: Add the host names of the Group Expansion virtual server and of the ABS virtual server to the registry
  • To do this, follow these steps:
    Click Start, click Run, type regedit, and then click OK.
    In Registry Editor, locate the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0
    Right-click the MSV1_0 registry subkey, point to New, and then click Multi-String Value.
    Type BackConnectionHostNames, and then press ENTER.
    Right-click BackConnectionHostNames, and then click Modify.
    In the Value data box, type the host names(poolname) of the Group Expansion virtual server and of the ABS virtual server, and then click OK.
  • Note Make sure that you type each host name on a separate line.
    Exit Registry Editor, and then restart the IISAdmin service.


    출처 : http://support.microsoft.com/kb/941095

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