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August 2007

Deploy a Single Application Through Terminal Services

Deliver key applications to end users at all locations
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The Remote Control tab isn't useful for automatic logon, so skip to the Client Settings tab. Unless you're a singleLAN company, you'll want to adjust the color depth down from the default 16-bit to reduce the bandwidth your connection will require. For security reasons, many shops will want to also disable drive mapping. In fact, if you see something here that you don't think you'll need, just select the appropriate check box. (That's right, prepare yourself for some Microsoft backward-speak: You'll select items to disable them.)

If you're going to be using an account for automatic logon, you'll need to adjust the security access similar to the way you did before. Select the Permissions tab. Remove everyone but the Administrators group from the ACL, and add the account that will log on automatically. Click Apply, then Close.

There are just a few more details to take care of. From the MMC Terminal Services Configuration snap-in, select the Server Settings folder and ensure that Restrict each user to one session is set to No. If you forget this step, the automatic logon account will be able to log on only once. When the second person tries to log on, he or she will get a message stating that more than one logon is forbidden. Before you turn users loose, you should also take care of printers. Open an MMC console, and add the Group Policy Object Editor for the Local Computer Policy. Expand to Local Computer Policy, Computer Configuration, Administrative Templates, Windows Components, Terminal Services, Client/Server data redirection, and click Terminal Server Fallback Printer Driver Behavior. Change the setting to Enabled, and configure the drop-down option to Show both PCL and PS if one is not found. Doing so will let your users print even if they don't have a recognized printer driver on their workstation.

Technically, everything is working and ready for end users to start logging on. However, if you're providing logon credentials, you need to make one more adjustment to ensure that sessions get closed in a timely manner. Open Secure RDP, and select Session Restrictions in the left pane. Click Sessions per User and select the check boxes to reset disconnected sessions. Next, choose to save and then apply the configuration from the File menu.

Step 3: Deliver to Users
Now, you've got a server ready to distribute an application that you'd otherwise have to spend much time and energy determining how to deploy across the entire network—not to mention updating and upgrading. To save a connection for your end users, open Remote Desktop Connection again from Start, Programs, Accessories, Communication; this time, type in the IP address or DNS name of the NIC associated with the connection you created earlier. Click the Options button to expand the window. Take a look at each of the tabs. Because users across a WAN will be using this application, I recommend that you change the colors on the Display tab to 256 Colors and allow only Bitmap caching on the Experience tab. On the General tab, use the Save As button to save a shortcut to a location where users will be able to access it. Make sure users have Read Only permissions.

You can now build a Web page on your intranet with a link to the shortcut you just created. As you deploy more applications this way, save shortcuts and add links to them on your new intranet application directory Web page. Once you've added the necessary links in your directory and verified that everything is working correctly, send an email message to the appropriate department managers with instructions for finding the link to the new terminal server connection.

Avoid Hassles
You now have a centrally deployed application directory. From this point on, users will be able to access the software they need without requesting that IT install it for them. Also, when the time comes to upgrade or update these applications, you'll be able to do so by making the changes on your server—without ever touching any of the desktops.

End of Article

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Reader Comments
I just had a question about how users are supposed to end the application. I can see my users not figuring out that they need to close the RDP session to stop using the published app. Is there another way to do this?

dhildebrand1977 October 19, 2007 (Article Rating: )


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