User Manager in Terminal Server

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Summary

This article discusses the Terminal Server Administration tool, User Manager.

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Users have more possible configurations in Terminal Server. For instance, some users may have permission to connect to the Terminal Server as a file server but not have permission to use it as an application server (through the Terminal Server Client). Also, users can have different profiles and home directories, depending on whether they are using "normal" workstations or whether they are connecting through the Client.

When you create a user, the only difference on the main User Manager screen is the additional "Config" button at the bottom. After installing a Terminal Server, you will find the same default users (Admin and Guest) and the same default groups as you would expect on a Windows NT Server computer.

The User Configuration screen allows these options:

Allow Logon to Terminal Server

This is similar to giving the user the right to log on locally.

By default, Everyone has the right to log on locally (that is, to log on at the Terminal Server console). Just as in Windows NT Server, this right is set in User Manager by selecting User Rights on the Policies menu. Because Terminal Server clients are, in effect, logging on at the server's console, this is a necessary right.

NOTE: Denying users the right to log on locally will keep Terminal Server clients from logging on at all.

NOTE: Because this right is necessary for Clients to be able to log on, if you install a Terminal Server as a domain controller, two situations are likely to occur. First, if you install as a backup domain controller (BDC) with an Windows NT Server as the primary domain controller (PDC), when your Terminal Server joins the domain, Everyone will lose the right to log on locally because these policies are global to the domain's domain controllers. Second, if you install a Terminal Server as a PDC, Everyone will be able to log on at the console of any BDCs in the domain, whether they are Terminal Server computers or not.

So, for a client to be able to log on to the Terminal Server, the user must have two rights: the User Manager user right to log on locally and the user- specific configuration "Allow Logon to Terminal Server."

If you deny a user the "Allow Logon to Terminal Server" right, that user will not be able to log on at the Terminal Server console or through the Terminal Server client. But the user can log on normally from other Windows NT servers, workstations, or other domain workstations. So, if an administrator has a group of users who will connect through the client and another who will log on normally, this is the correct check box for allowing or denying access.

It is also possible to remove the Everyone group from the right to log on locally. Another group of client users can be created and given this right.

If a user attempts to log on to a Terminal Server through the client and has been denied the right to log on locally, the user will receive this message:
The local policy of this system does not allow you to log on interactively.
If the user does not have the check box selected in User Configuration for "Allow Logon to Terminal Server," another error is returned:
Your interactive logon privilege has been disabled. Please contact your system administrator.
If BOTH permissions have been denied the user, he or she will get the following message:
The local policy of this system does not allow you to log on interactively.

Timeout Settings (in Minutes)

Connection: By default this is turned off. This setting controls how long a client can be connected. This is not dependent on any other state (for example, being disconnected or idle). If a user can only be connected for 10 minutes, then 10 minutes after connection, the user will be disconnected. If this feature is enabled, the default value is 120 minutes.

Disconnection: After a user has been disconnected, how long should the Terminal Server keep the session active? When a user is disconnected, the server keeps the session and all running processes active, so that the user can reconnect and continue working where she or he left off. This refers to any type of disconnection (for example, connection timeout, dropped modem line, network failure, user selects Disconnect on the Start menu). If this feature is enabled, the default value is 10 minutes.

Idle: How long should the server wait before disconnecting an idle session? If this feature is enabled, the default value is 30 minutes.

Client Devices

This setting does not apply to Microsoft's RDP client. If Citrix's ICA client is being used, these settings are relevant and determine whether the client computer's local devices will be available as local devices while in a Terminal Session.

If you are logged on to a Terminal Server using the RDP client, when you access your drive C, you are accessing the server's drive C, not your local device. The same is true for printers, printer ports, and COM ports.

Initial Program

You can specify an application to start up as soon as the user logs on through the Client. This is similar to placing an application in the user's startup folder.

The option to "Inherit Client Config" applies only to Citrix's ICA Clients.

On a Broken or Timed out Connection...

If a connection is lost or times out, you have the options of disconnecting the session, which leaves the session intact so the user can reconnect and keep working, or you can reset the connection, which terminates the session.

Reconnect Sessions Disconnected...

This option is used for Citrix direct-serial-port connecting devices only.

Modem Callback Is...

Modem callback options apply only to Citrix's ICA Clients. For Microsoft's RDP client, configure these settings through RAS.

Shadowing...

Shadowing applies only the Citrix's ICA clients. Shadowing allows ICA clients to view or take over other ICA client sessions. Note that the Terminal Server console cannot be shadowed, and sessions cannot be shadowed from the console. Shadowing only works from client to client and only in conjunction with the ICA client and Metaframe.

User Configuration also includes a new option for NetWare users:

NetWare Logon Configuration:

Terminal Server offers the same NetWare connectivity options as Windows NT Server 4.0, with 3 additions. The first is here in User Manager. Specifying a NetWare server here will allow the user to log on to NetWare prior to logging on to Terminal Server or Windows NT. If you add a domain administrator name and password here, if the user's NetWare password differs from the Windows NT password, the NetWare password will be used, and the Windows NT password will be synchronized to it.

The other two new NetWare options are the Administrator utility "NetWare User Access for Terminal Server," which copies NetWare user accounts to Terminal Server, and the command-line utility NDSPSVR, which sets a preferred NDS logon server globally (this is not available on a per-user basis) for all NetWare users who connect to this Terminal Server.

The User Environment Profile screen:

Note that this is very similar to the Profile settings for Windows NT Server users. The only difference is that you can specify two different profiles and two different home directories for each user. If the user logs on normally from a Windows NT workstation, for instance, he or she can have a different profile and home directory than if he or she logs on to the Terminal Server through the RDP client. One profile can be roaming and the other mandatory.

User Profiles Overview:

  • If you specify a User Profile Path only, the user will get that profile regardless of how he or she logs on.
  • If you specify a Terminal Server Profile Path only, the user will get the profile if he or she logs into the domain from any Terminal Server console or through the Terminal Server client. Otherwise, the path will be ignored.
  • If you specify both a User Profile path and a Terminal Server Profile path, the user will use the User Profile path if logging on at a Windows NT Workstation computer or Windows NT Server computer (not a Terminal Server and not using the Terminal Server client program), and the user will use the Terminal Server Profile path is logging on at any Terminal Server console or through the client program.
  • Profile types can be mixed. That is, if a user has two profile paths, one can be mandatory and the other non-mandatory.
Details:

Windows Terminal Server 4.0 and Windows NT Server 4.0 both use User Profiles to store user's desktop information. These profiles are simply a series of folders, typically stored under a folder named with the user's logon name. By default, every user who logs on to a Windows NT Workstation 4.0, Windows NT Server 4.0, or Windows Terminal Server 4.0 computer gets a profile folder under the %SystemRoot%\Profiles folder. When users log on, the profile is loaded into HKEY_CURRENT_USER in the registry. When the user logs off, the registry information is written to the user's profile folder. One important note: if you store the profile someplace other than the default location, the profile is always copied to the user's %SystemRoot%\Profiles folder before it is loaded into the registry. This is called the Locally Cached Profile. It allows the user to get the expected desktop even if the network is unavailable. This is an important concept in Terminal Server. (Also note that this caching of profiles can be turned off through a System Policy.)

In User Manager, administrators can specify a path for profiles. This path can be local or can reside on a network share. One common practice is to pick a central network location, create a Profiles folder, and share it for everyone to use. Then, in User Manager, under Profiles\User Profile Path enter the path \\Server\Profiles\%username%. By using this path, administrators can select several users at once and set their profile paths quickly.

Terminal Server allows users to have two profile paths: a User Profile Path and a Terminal Server Profile Path. The User Profile Path is identical to the User Profile Path function in Windows NT Server 4.0. Users have three logon options with Terminal Server. They can log on "normally" from a computer running either Windows NT Workstation or Windows NT Server, they can log on at the Terminal Server console, or they can log on through the Terminal Server client software. If only a User Profile Path is specified, the user will get the same profile regardless of the logon type she or he uses.

Before considering the Terminal Server Profile path, it is important to note where the local profile cache is located for each logon type. If the user logs on from a computer running Windows NT Workstation or Windows NT Server (that is, not using the Terminal Server client software), the profile is copied from the profile path location to the user's computer, saved in the local %SystemRoot%\Profiles\Username folder, and then loaded into the registry. However, if the user logs on at the Terminal Server console or through the Terminal Server client, the profile is loaded into the Terminal Server's %SystemRoot%\Profiles\%username% folder.

Also note that, for logon purposes, a Terminal Server console is considered the same as a Terminal Server client session. So, if you specify a Terminal Server Profile path in your domain and the user logs on to the domain from any Terminal Server console, she or he will use the Terminal Server Profile path. However, the profile will be cached in the %SystemRoot%\Profiles\%username% folder of the Terminal Server at which the user logs on. When the user logs on through the Terminal Server client, the profile is always cached on the Terminal Server to which the user connects.

If users need different profiles, it is okay to specify a different profile path for User Profile path and for Terminal Server Profile path. These profiles can also be different types; that is, one can be mandatory and the other nonmandatory.

However, administrators should carefully consider profile caching before deciding on a profiles strategy. There is a particular situation that should be avoided (and this is true in both Windows NT Server and Terminal Server). If a user logs on to different domains in which he or she has different profile types (mandatory/nonmandatory) so that the cached profile is being overwritten with different profile types, the user's profile will not work as expected. Nonmandatory profiles may be ignored, and mandatory profiles may become nonmandatory. This situation can also be created if a user initially has a User Profile path to a mandatory profile and then the user is given a nonmandatory Terminal Server Profile path.

Fortunately, this is not a common scenario because users are not typically allowed to log on at the Terminal Server console. It is also rare to have Windows NT Workstation users log on to one domain with a mandatory profile and another domain with a nonmandatory profile.

If your environment will not allow you to avoid this locally cached profile confusion, you can create a System Policy that tells the system not to cache the profiles. This option is found under Default Computer\Windows NT User Profiles\Delete cached copies of roaming profiles. With this policy in place, the problem will not exist since the cached profile never gets mixed with various profiles.

Further, it is especially important to have home directories specified for each user. The default location is the user's locally cached profile. If the user logs on under one of the scenarios to be avoided, having different profiles writing over the locally cached profile, the use will be overwriting the home directory and potentially any saved filed. If the home directory is in the default location (locally cached profile) and you set a system policy to not to cache roaming profiles, the home directory can be deleted, again perhaps losing files. This is a problem not only because the home directory could have user files in it, but because the home directory contains a Terminal Server specific directory, the user's Windows directory. This is where user's application-specific .ini files are stored.

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Article ID: 186571 - Last Review: June 22, 2014 - Revision: 4.0
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