• Contents
  • Introduction
  • Operating System Windows 2000 Terminal Services Printer Redirection




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    Operating System

    Windows 2000 Terminal Services Printer Redirection

    White Paper
    Abstract

    This white paper describes the Microsoft® Windows® 2000 operating system Terminal Server Remote Desktop Protocol Device Redirection for Printing Devices feature, including design, implementation, performance, and scalability issues. The printer redirection architecture on the server and client side is presented. This white paper assumes you are using Windows 2000 Service Pack 2 and the RDP-based client version 5.0.



    © 2002 Microsoft Corporation. All rights reserved.

    The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication.

    This White Paper is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS DOCUMENT.

    Microsoft, Windows, Windows NT, and Windows 2000 are either registered trademarks or trademarks of Microsoft Corporation.

    The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

    Microsoft Corporation • One Microsoft Way • Redmond, WA 98052-6399 •USA 10/2002

    Contents


    White Paper 1

    Introduction 1

    Introduction 1

    Printer Redirection in Windows 2000 1

    Printer Redirection in Windows 2000 1

    Standards and Additional Reading 2

    Standards and Additional Reading 2

    printer Redirection Fundamentals 3

    printer Redirection Fundamentals 3

    RDP Fundamentals 3

    RDP Fundamentals 3

    RDP Thin Client Fundamentals 4

    RDP Thin Client Fundamentals 4

    Terminal Services Virtual Channels API 4

    Terminal Services Virtual Channels API 4

    Configuring Printer Redirection 5

    Configuring Printer Redirection 5

    Configuring Client Settings 5

    Disabling Virtual Channels 5

    Overview 7

    Overview 7

    Printer Queues 7

    Printer Queues 7

    Automatic Printer Queues 7

    Automatic Printer Queues 7

    Automatic Printer Naming Convention 7

    Manual Printer Queues 8

    Manual Printer Queues 8

    Attaching to a printer port with TSxxx: 8

    Driver String Mapping for Printer Queues 9

    Driver String Mapping for Printer Queues 9

    Printer Redirection Scenarios: Driver Name Mismatch 9

    Printer Redirection Scenarios: Driver Name Mismatch 9

    Scenario 1 9

    Scenario 2 9

    Scenario 3 11

    Printer Redirection Error Events 11

    Printer Redirection Error Events 11

    Common problems 11

    Common problems 11

    Printer Driver Mapping 11

    Printer Driver Mapping 11

    Driver String Name Mapping Scenario 12

    Driver Errors on Terminal Server 14

    Driver Errors on Terminal Server 14

    Managing pools of drivers between TS servers in a farm 15

    Managing pools of drivers between TS servers in a farm 15

    Performance and scalability 15

    Performance and scalability 15

    Bandwidth Performance Results 15

    Bandwidth Performance Results 15

    Explanation of Bandwidth Performance Results 16

    Scalability Performance Results 17

    Scalability Performance Results 17

    Test Environment 17

    Scalability Test Results 17


    Explanation of Scalability Performance Results 18

    Printer Redirection Architecture Overview 18

    Printer Redirection Architecture Overview 18

    Remote Printer Creation 19

    Remote Printer Creation 19

    Printing Process 19

    Printing Process 19

    Remote Printer Deletion 20

    Remote Printer Deletion 20

    printer Redirection Components 20

    printer Redirection Components 20

    RDPDR 20

    RDPDR 20


    Winlogon 21

    Winlogon 21

    Spooler 21

    Spooler 21

    USBMON 22

    USBMON 22

    MSTSCAX 22

    MSTSCAX 22

    Printer Redirection Session Connection 23

    Printer Redirection Session Connection 23

    printer Redirection Connection and disconnection Process 23

    printer Redirection Connection and disconnection Process 23

    Details of Session Connect: 23

    Printer Redirection Session Disconnection 26

    Printer Redirection Session Disconnection 26

    Details of Session Disconnect/Logoff 26

    Printer I/O Sequence 27

    Printer I/O Sequence 27

    Details of Printer I/O Sequence 27

    Printer queues Creation Process 28

    Printer queues Creation Process 28

    Automatic Queue Configuration Changes 28

    Automatic Queue Configuration Changes 28

    Details of Queue Configuration Changes 29

    Manual Printer Queues 31

    Manual Printer Queues 31

    Details of Manual Printer Queues 31

    REFERENCES 32

    REFERENCES 32




    Introduction



    Terminal Services (TS) has been part of the Windows operating system since the release of Microsoft® Windows® 2000 Server.

    The Terminal Services version built on Windows NT 4.0 was a completely separate product from standard versions of Windows NT 4.0 Server. This approach presented two major challenges:



    • Customers using standard Windows NT 4.0 Server could not use it in a Terminal Services scenario.

    • Security and other fixes for this product were released on their own schedule, sometimes well after the equivalent releases for the base Windows NT 4.0 operating system.

    In Windows 2000, Terminal Services is a selectable option in the Server versions of the OS (Server, Advanced Server, and Datacenter). The multi-user kernel extensions, originally developed for Windows NT Server 4.0, Terminal Server Edition, were enhanced and fully integrated as a standard part of the Windows 2000 Server kernel.
    The Terminal Services component of the Microsoft® Windows® 2000 Server operating system can deliver the Windows 2000 desktop, as well as the latest Windows-based applications, to virtually any desktop computing device, including those that cannot run Windows. This capability lets more people in an organization take advantage of the resources provided by a distributed computing environment. Terminal Services can also be used to remotely administer a Windows 2000-based server. You can learn more about specific features and benefits and obtain information to guide your Terminal Services deployment by accessing the Terminal Services home page at http://www.microsoft.com/terminalserver.
    This document assumes that you have a general understanding of Terminal Services architecture and implementation practices.
    General (lot. generalis - umumiy, bosh) - qurolli kuchlardagi harbiy unvon (daraja). Dastlab, 16-a.da Fransiyada joriy qilingan. Rossiyada 17-a.ning 2-yarmidan maʼlum. Oʻzbekiston qurolli kuchlarida G.
    The features discussed in this white paper are specific to Windows 2000 Server Service Pack 2 and version 5.0 of the Remote Desktop Protocol (RDP) Terminal Services client.
    The purpose of this document is to describe the fundamental workings of local printer redirection in Terminal Services by examining the architecture on both client and server that makes this feature work, as well as to explore best practices and methodologies for troubleshooting and dealing with issues that may arise when using this feature.
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