April 16, 2014
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You receive a “HTTP 400 - Bad Request" error message when you try to use the Monitoring and Reporting snap-in or the Backup snap-in on a Windows Small Business Server 2003-based computer minimieren
Quelle: http://support.microsoft.com/default.aspx?scid=kb;en-us;842693

SYMPTOMS

When you try to use the Monitoring and Reporting snap-in or the Backup snap-in in the Server Management tool on a Microsoft Windows Small Business Server (SBS) 2003-based computer, you may receive the following error message:
The page cannot be found.
HTTP 400 - Bad Request
Note If the Show friendly HTTP error messages check box is not selected in Microsoft Windows Internet Explorer, you may receive an error message that is similar to the following:
Bad Request (Invalid Hostname).
 

CAUSE

If you are running Microsoft Windows Small Business Server 2003, Premium Edition, this problem may occur if the loopback address is absent or if the loopback address is not set for the default Web site in Microsoft Internet Information Services (IIS). This problem also may occur if a host header other than localhost is assigned to the loopback address in the default Web site.

If you are running Microsoft Windows Small Business Server 2003, Standard Edition, this problem may occur if a host header value is assigned to the All Unassigned Internet Protocol (IP) address for the default Web site in IIS.
 

RESOLUTION

To resolve this problem, use one of the following methods.

Windows Small Business Server, Premium Edition

To resolve this problem, set the loopback IP address for the default Web site in IIS. To do this, follow these steps.

Note Typically, Microsoft Internet Security and Acceleration Server is installed and the default Web site is bound to an internal IP address and to the loopback address in Windows Small Business Server, Premium Edition. Additionally, a host header is typically not assigned to the loopback address in the default Web site.
1. Click Start, and then click Server Management.
2. In the console tree, double-click Advanced Management, and then double-click Internet Information Services.
3. In the details pane, double-click ServerName(local computer).
4. Double-click Web Sites, right-click Default Web Site, and then click Properties.
5. In the Default Web Site Properties window, click the Web Site tab, and then click Advanced.

Note Make sure that the internal IP address is listed under IP address and is bound to port 80.
6. In the Advanced Web Site Identification window, click Add.
7. Under Add/Edit Web Site Identification, type 127.0.0.1 in the IP address box.
8. Type 80 in the TCP port box. Leave the Host Header Value box blank.
9. Click OK three times.
 

Windows Small Business Server, Standard Edition

To resolve this problem, remove the host header value. To do this, follow these steps.

Note Typically, Internet Security and Acceleration Server is not installed and the default Web site is bound to the All Unassigned IP address in Windows Small Business Server, Standard Edition. Also, the host header of the default Web site is not assigned to the All Unassigned IP address.

1. Click Start, and then click Server Management.
2. In the console tree, double-click Advanced Management, and then double-click Internet Information Services.
3. In the details pane, double-click ServerName(local computer).
4. Double-click Web Sites, right-click Default Web Site, and then click Properties.
5. In the Default Web Site Properties window, click the Web Site tab, and then click Advanced.
6. In the Advanced Web Site Identification window, click Default, and then click Edit.
7. Make sure that (All Unassigned) is entered in the IP address box.
8. Delete any host header name that is in the Host Header value box.
9. Click OK three times.

Note If you must assign an IP address and a host header to the default Web site, add the IP address 127.0.0.1 with port 80 and leave the Host Header value box blank.
 

APPLIES TO
Microsoft Windows Small Business Server 2003 Premium Edition
Microsoft Windows Small Business Server 2003 Standard Edition

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