Configuration Manager 2007 R3 requires that the WebDAV extension be enabled on the management points and distribution points for BITS. The WebDAV extension is included in Windows Server 2008 R2 and only needs to be enabled. In addition, the Request Filtering feature needs to be configured to allow .config files to be downloaded using WebDAV. Some of the packages that MDT uses include files with .config file extensions.
To enable WebDAV and create an Authoring Rule
1. Click Start, point to Administrative Tools, and then click Internet Information Services (IIS) Manager.
IIS Manager starts.
2. In the Connections pane, expand the Sites node in the console tree, and then click SMSWEB (if you are using a custom Web site) or Default Web Site (if you are using the default Web site for the site system).
3. Click Features View at the bottom of the console. In the workspace, double-click WebDAV Authoring Rules.
4. When the WebDAV Authoring Rules page appears, in the Actions pane, click Enable WebDAV.
5. When WebDAV has been enabled, in the Actions pane, click Add Authoring Rule.
6. In the Add Authoring Rule dialog box, under Allow access to, click All content.
7. Under Allow access to this content to, click All users.
8. Under Permissions, select the Read check box, and then click OK.
To change the WebDAV Property Behavior settings
1. In the WebDAV Authoring Rules workspace, in the Actions pane, click WebDAV Settings.
2. In the WebDAV Settings workspace, under Property Behavior, set Allow anonymous property queries to True.
3. Set Allow Custom Properties to False.
4. Set Allow property queries with infinite depth to True.
5. If this is a BITS-enabled distribution point, under WebDAV Behavior, set Allow Hidden Files to be Listed to True.
6. In the Actions pane, click Apply.
To allow .config files in WebDAV
1. In the Connections pane, expand the Sites node in the console tree, and then click SMSWEB (if you are using a custom website) or Default Web Site (if you are using the default website for the site system).
2. Click Features View at the bottom of the console. In the workspace, double-click Request Filtering.
The Request Filtering page appears.
3. In the Request Filtering page, in the details pane, on the File Name Extensions tab, right-click .config, and then click Remove.
The Confirm Remove dialog box opens.
4. In the Confirm Remove dialog box, click Yes.
The entry for .config is removed.
5. In the Actions pane, click Allow File Name Extension.
6. The Allow File Name Extensions dialog box opens.
7. In the Allow File Name Extensions dialog box, in File name extension, type .config, and then click OK.
The entry for .config is added, and the value of the Allowed column is set to True.
8. Close IIS Manager.