Creating Your Own Free/Busy Server

If you don’t have Exchange Server in your organization, you can still publish your free/busy information to enable others, whether inside or outside your organization, to view that information for scheduling purposes. As explained earlier in this chapter, Outlook 2007 can publish to FTP, HTTP, or file URLs. Which type you choose depends on the availability of such servers in your network, whether outside users need access to the free/busy information, and firewall and security issues for incoming access to the servers. For example, if your network does not allow FTP traffic through its firewalls but does allow HTTP, HTTP would be the choice for your free/busy server. However, keep in mind that publishing and searching are two different tasks that can use two different methods. You might have users internal to the network publish to a shared network folder, but outside users would access the information by HTTP. Naturally, this means that the target folder for publishing the free/busy information must also be a physical or virtual directory of the Web URL that outsiders use to view free/busy information. If your free/busy server must be located on the other side of a firewall from your users, FTP or HTTP would be a logical choice for publishing.

After you decide which access methods you need to provide for publishing and viewing free/busy information, it’s a simple matter of setting up the appropriate type of server. There are no requirements specific to free/busy data for the server, so any FTP, HTTP, or file server will do the trick. Following are some points to keep in mind as you begin planning and deploying your free/busy server.

Note

You can use Microsoft Internet Information Services (IIS) running on Microsoft Windows 2000 Server or later to host free/busy FTP or HTTP virtual servers. If you need no more than a maximum of 10 concurrent connections, you can use Windows XP Professional or Windows Vista to host the site.

  • FTP. Set up the virtual server to allow both read and write permissions for the physical or virtual folder that will contain the free/busy data.

    Note

    For the best security, configure the server to require authentication and disallow anonymous access. Passing FTP authentication for free/busy information via Outlook 2007 isn’t supported in Windows Vista, but you can do this in Windows XP. Keep in mind that you then need to provide authentication information to everyone who needs to access the server for free/busy information. Remember to configure NTFS file system permissions as needed to control access if the directory resides on an NTFS file system partition.

  • HTTP. The physical or virtual directory containing the free/busy data must be configured for both read and write permissions. If the directory resides on an NTFS file system partition, configure NTFS file system permissions as necessary to allow access to the directory as needed. You can disallow anonymous access if desired for greater security. Users who attempt to access the free/busy data are then required to provide a user name and password when publishing or searching.

  • File. Configure folder and file permissions as needed to allow users to access the shared directory. For better security, place the folder on an NTFS file system partition and use NTFS file system permissions to restrict access to the folder and its contents as needed.

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