Revision Summary Date Revision History Revision Comments 3/2/2007 1.0 New Version 1.0 release 4/3/2007 1.1 Minor Version 1.1 release 5/11/2007 1.2 Minor Version 1.2 release 6/1/2007 1.2.1 Editorial Changed language and formatting in the technical content. 7/3/2007 2.0 Changed to unified format; updated technical content. 8/10/2007 3.0 Major Updated and revised the technical content. 9/28/2007 4.0 Major Updated and revised the technical content. 10/23/2007 4.0.1 Editorial Changed language and formatting in the technical content. 1/25/2008 4.0.2 Editorial Changed language and formatting in the technical content. 3/14/2008 4.0.3 Editorial Changed language and formatting in the technical content.
6/20/2008 5.0 Major Updated and revised the technical content. 7/25/2008 6.0 Major Updated and revised the technical content. 8/29/2008 6.0.1 Editorial Changed language and formatting in the technical content. 10/24/2008 7.0 Updated and revised the technical content. 12/5/2008 8.0 Major Updated and revised the technical content. 1/16/2009 9.0 Major Updated and revised the technical content. 2/27/2009 9.0.1 Editorial Changed language and formatting in the technical content. 4/10/2009 9.1 Minor Clarified the meaning of the technical content. 5/22/2009 9.2 Minor Clarified the meaning of the technical content. 7/2/2009 10.0 Major Updated and revised the
technical content. 8/14/2009 11.0 Major Updated and revised the technical content. 9/25/2009 12.0 Major Updated and revised the technical content. 11/6/2009 12.1 Minor Clarified the meaning of the technical content. 12/18/2009 13.0 Major Updated and revised the technical content. 1/29/2010 13.1 Minor Clarified the meaning of the technical content. 3/12/2010 14.0 Major Updated and revised the technical content. 4/23/2010 14.0.1 Editorial Changed language and formatting in the technical content. 6/4/2010 14.0.2 Editorial Changed language and formatting in the technical content. 7/16/2010 14.1 Minor Clarified the meaning of the technical content.
8/27/2010 14.1 None No changes to the meaning, language, or formatting of the technical content. 10/8/2010 15.0 Major Updated and revised the technical content. 11/19/2010 16.0 Major Updated and revised the technical content. 1/7/2011 17.0 Major Updated and revised the technical content. 2/11/2011 18.0 Updated and revised the technical content. 3/25/2011 18.0 None No changes to the meaning, language, or formatting of the technical content. 5/6/2011 18.0 None No changes to the meaning, language, or formatting of the technical content. 6/17/2011 18.1 Minor Clarified the meaning of the technical content. 9/23/2011 18.1 None No changes to the
meaning, language, or formatting of the technical content. 12/16/2011 19.0 Major Updated and revised the technical content. 3/30/2012 19.0 None No changes to the meaning, language, or formatting of the technical content. 7/12/2012 19.1 Minor Clarified the meaning of the technical content. 10/25/2012 20.0 Major Updated and revised the technical content. 1/31/2013 21.0 Major Updated and revised the technical content. 8/8/2013 22.0 Major Updated and revised the technical content. 11/14/2013 22.0 None No changes to the meaning, language, or formatting of the technical content. 2/13/2014 23.0 Major Updated and revised the
InstalledPendingRebootIDs W List of GUIDs separated by ; IDs of updates that were deployed for install, uninstall, or scan, that were found to be installed, but require reboot before taking effect. Status events FailedUpdateIDs g List of GUIDs separated by ; IDs of updates that were deployed for install, uninstall, or scan, that were found to need installing or uninstalling, but the attempt to download, install, or uninstall the update has failed. Status events DownloadedUpdateIDs h List of separated by ; IDs of updates that were deployed for install, that were downloaded to the client but not yet installed. Status events MSIAction X String A action that failed. MSI/MSP install failure events MSITransactionCode Y GUIDs Unique ID identifying the transaction that the update was part of. MSI/MSP install failure events MSIProductCode Z GUIDs Product code of the MSP. MSI/MSP install failure events MSIErrorRec f int Extended MSI error code. MSI/MSP install failure events
Download Events AGENT_DOWNLOAD_FAILED 161 Download failed. Error: Download failed. AGENT_DOWNLOAD_SUCCEEDED 162 Download succeeded. Download succeeded. AGENT_DOWNLOAD_CANCELED 163 Download canceled. Download canceled. Install Events AGENT_INSTALLING_FAILED 182 User-initiated installation failed. Installation Failure: Windows failed to install the following update with error %1: %2. AGENT_INSTALLING_SUCCEEDED 183 User-initiated installation succeeded. Installation Successful: Windows successfully installed the following update: %1. AGENT_INSTALL_COMPLETE_ WITH_REBOOT 184 User-initiated installation succeeded, requires reboot. Installation successful and restart required for the following update: %1. AGENT_INSTALL_CANCEL 186 User-initiated installation canceled. User canceled the installation. AGENT_INSTALL_KILLED 187 User-initiated installation timed out, was terminated by the WUA. Installation killed: Installation of the following update is killed by the agent: %2. AU_SCHEDULED_INSTALL_SUCCESS 190 Scheduled installation succeeded. Installation Successful: Windows successfully installed the following update: %1.
AU_SCHEDULED_INSTALL _COMPLETE_WITH_REBOOT 191 Scheduled installation succeeded, requires reboot. Installation successful and restart required for the following update: %1. AU_SCHEDULED_INSTALL_KILLED 192 Scheduled installation timed out, was terminated by the WUA. Installation killed: Installation of the following update is killed by the %2 AU_SCHEDULED_INSTALL_FAILED 195 Scheduled installation failed. Installation Failure: Windows failed to install the following update with error %1: %2. AU_SHUTDOWN_INSTALL_SUCCESS 197 Install at shutdown succeeded. Installation Successful: Windows successfully installed the following update: %1. AU_SHUTDOWN_INSTALL_FAILED 198 Install at shutdown failed. Installation Failure: Windows failed to install the following update with error %1: %2. AU_SHUTDOWN_INSTALL_COMPLETE _WITH_REBOOT 199 Install at shutdown succeeded, requires reboot. Installation successful and restart required for the following update: %1. AU_SHUTDOWN_INSTALL_KILLED 200 Install at shutdown timed out, was terminated by the WUA. Installation killed: Installation of the following update is killed by the agent: %2.
AGENT_INSTALLING_FAILED _POST_REBOOT 203 Post-reboot processing of an installed update failed. New to Windows Vista Installation Failure Post Reboot. AGENT_UNINSTALLING_FAILED 221 Uninstallation failed. Uninstallation Failure: Windows failed to uninstall the following update with error %1: %2. AGENT_UNINSTALLING_SUCCEEDED 222 Uninstallation succeeded. Uninstallation Successful: Windows successfully uninstalled the following update: %1. AGENT_UNINSTALL_CANCEL 223 Uninstallation canceled. User canceled the uninstall. AGENT_UNINSTALL_COMPLETE _WITH_REBOOT 224 Uninstallation succeeded, requires reboot. Uninstallation successful and restart required for the following update: %1. AGENT_UNINSTALL_KILLED 225 Uninstallation timed out, was terminated by the WUA. Uninstallation killed: Uninstallation of the following update is killed by the agent: %2. Update Hidden/Unhidden Events AGENT_INSTALL_HIDE 185 User chose to hide the update from the UI. Hide update: user hid one update. AGENT_INSTALL_UNHIDE 196 User to unhide the update from the UI. Unhide update: user unhide one update. Misc Events AGENT_INSTALLING_PENDING 201 Self-update is about to begin. Installation pending.
WSUS 2.0 update server WSUS 2.0 SP1 update server WSUS 3.0 update server WSUS 3.0 SP1 update server WSUS 3.0 SP2 update server Windows 2000 Server Supported Supported Not supported Not supported Not supported Windows Server 2003 Supported Supported Supported Supported Supported Windows Server 2008 Not supported Not supported Not supported Supported Supported Windows Server 2008 R2 Not supported Not supported Not supported Not supported Supported Windows Server 2012 Not supported Not supported Not supported Not supported Supported Windows Server 2012 R2 operating system Not supported Not supported Not supported Not supported Supported Windows Server 2016 Not supported Not supported Not supported Not supported Supported The update client is a component of some Windows versions. The following table describes the Windows versions supported by each version of the update client. WSUS 2.0 update client WSUS 2.0 SP1 update client WSUS 3.0 update client WSUS 3.0 SP1 update client WSUS 3.0 SP2 update client Windows 2000 operating system Supported Supported Supported Supported Supported Windows XP Supported Supported Supported Supported Supported Windows Vista Not supported Not supported Supported Supported Supported Windows 7 Not supported Not supported Not supported Not supported Supported Windows 8 Not supported Not supported Not supported Not supported Supported Windows 8.1 Not supported Not supported Not supported Not supported Supported
(Core Installation) Windows Server 2008 R2 for Systems 6 1 0x0000000F Windows Web Server 2008 R2 6 1 0x00000011 Windows Web Server 2008 R2 HPC Edition 6 1 0x00000012 Windows 7 Home Premium N 6 1 0x0000001A Windows 7 Enterprise N 6 1 0x0000001B Windows 7 Ultimate N 6 1 0x0000001C Windows Server 2008 R2 (Core Installation) 6 1 0x0000001D Windows Server 2008 R2 Standard without 6 1 0x00000024 Windows Server 2008 R2 Datacenter without 6 1 0x00000025 Windows Server 2008 R2 Enterprise without Hyper-V 6 1 0x00000026 Windows Server 2008 R2 6 1 0x00000027
Datacenter without (Core Installation) Windows Server 2008 R2 Standard without Hyper-V (Core Installation) 6 1 0x00000028 Windows Server 2008 R2 Enterprise without Hyper-V (Core Installation) 6 1 0x00000029 Microsoft Hyper-V Server 2008 R2 6 1 0x0000002A Windows 7 Starter N 6 1 0x0000002F Windows 7 Professional 6 1 0x00000030 Windows 7 Professional N 6 1 0x00000031 Windows Vista Business 6 0 0x00000006 Windows Vista Business N Edition 6 0 0x00000010 Windows Cluster Server Edition 6 0 0x00000012 Windows Server Datacenter Edition Full Installation 6 0 0x00000008
Windows Server Datacenter Edition Core Installation 6 0 0x0000000C Windows Vista Enterprise 6 0 0x00000004 Windows Server Enterprise Edition Full Installation 6 0 0x0000000A Windows Server Enterprise Edition Core Installation 6 0 0x0000000E Windows Server Enterprise Edition For Itanium Based Systems 6 0 0x0000000F Windows Vista Home Basic Edition 6 0 0x00000002 Windows Vista Home Basic N Edition 6 0 0x00000005 Windows Vista Home Premium Edition 6 0 0x00000003 Windows Home Server Edition 6 0 0x00000013 Windows Server For Small Business Edition 6 0 0x00000018 Windows Small 6 0 0x00000009
Business Server Windows Small Business Server Premium Edition 6 0 0x00000019 Windows Server Standard Edition Full Installation 6 0 0x00000007 Windows Server Standard Edition Core Installation 6 0 0x0000000D Windows Starter Edition 6 0 0x0000000B Windows Storage Server Enterprise Edition 6 0 0x00000017 Windows Storage Server Express Edition 6 0 0x00000014 Windows Storage Server Standard Edition 6 0 0x00000015 Windows Storage Server Workgroup Edition 6 0 0x00000016 Windows Vista Ultimate 6 0 0x00000001 Windows Web Server Edition 6 0 0x00000011
without Hyper-V (Core Installation) Windows Server 2008 Standard without (Core Installation) 6 0 0x00000028 Windows Server 2008 Enterprise without Hyper-V (Core Installation) 6 0 0x00000029 Microsoft Hyper-V Server 6 0 0x0000002A Windows Server 2003 R2 Web Edition operating system 5 (suiteMask & 0x00000400) != 0 89 Windows Server 2003 Web Edition 5 (suiteMask & 0x00000400) != 0 Windows Server 2003 R2 operating system Compute Cluster Edition 5 (suiteMask & 0x00004000) != 0 89 Windows Server 2003 operating system Compute Cluster Edition 5 (suiteMask & 0x00004000) != 0 Windows Server 2003 R2 5 2 (suiteMask & 0x00000080) != 0 89 Contains "X86"
Datacenter Edition operating system Windows Server 2003 R2 Datacenter x64 Edition operating system 5 2 (suiteMask & 0x00000080) != 0 89 Contains "AMD64" Windows Server 2003 Datacenter Edition operating system 5 2 (suiteMask & 0x00000080) != 0 Contains "X86" Windows Server 2003 x64 Datacenter Edition operating system 5 2 (suiteMask & 0x00000080) != 0 Contains "AMD64" Windows Server 2003 R2 Datacenter Edition for Systems operating system 5 2 (suiteMask & 0x00000080) != 0 Contains "IA64" Windows 2000 Datacenter Server operating system 5 (suiteMask & 0x00000080) != 0 Windows Server 2003 R2 Enterprise Edition operating system 5 2 (suiteMask & 0x00000002) != 0 89 Contains "X86" Windows Server 2003 R2 Enterprise x64 Edition 5 2 (suiteMask & 0x00000002) != 0 89 Contains "AMD64"
operating system Windows Server 2003 Enterprise Edition operating system 5 2 (suiteMask & 0x00000002) != 0 Contains "X86" Windows Server 2003 Enterprise x64 Edition operating system 5 2 (suiteMask & 0x00000002) != 0 Contains Windows Server 2003 Enterprise Edition Itanium 5 2 (suiteMask & 0x00000002) != 0 Contains "IA64" Windows 2000 Advanced Server operating system 5 (suiteMask & 0x00000002) != 0 Windows XP Embedded 5 (suiteMask & 0x00000040) != 0 Windows XP Home Edition 5 (suiteMask & 0x00000200) != 0 Windows Storage Server 2003 R2 operating system, Standard Edition 5 (suiteMask & 0x00002000) != 0 89 Windows Storage Server 2003 operating system 5 (suiteMask & 0x00002000) != 0 Windows 2000 5 0 1
Server Professional Windows 2000 Server 5 0 > 1 Windows XP Media Center Edition 5 1 87 Windows XP Starter Edition operating system 5 1 88 Windows XP Tablet PC Edition 5 1 86 Windows XP Professional operating system 5 1 Contains "X86" Windows XP 64-Bit Edition operating system for Itanium systems 5 1 Contains "IA64" Windows XP Professional x64 Edition operating system 5 2 1 Contains "AMD64" Windows XP Professional x64 Edition Version 2003 5 2 1 Contains "IA64" Windows Server 2003 R2 Standard Edition operating system 5 2 89 Contains "X86" Windows Server 5 2 89 Contains "AMD64"
Index A Abstract data 79 60 12 58 57 56 57 57 C 12 177 Client 79 82 82 83 82 79 82 83 82 22 56 58 57 56 57 57 58 56 58 58 D Data model abstract 79 60 63 Data - abstract 79 60 E Events 83 79 83 79 84 F 55 12 102 103 117 102 G 69 69 70 76 77 6 59 H Higher-layer triggered events 82 68 I 9 Initialization 82 67 6 L Local events 83 79 M Message processing 82 68 Messages 58 57 56 57 57 22 22 56 58 55 55 59 21 13 46 46 56 59 21
21 20 13 56 56 56 58 N 21 8 O Operations 69 69 70 76 77 75 71 77 69 71 77 72 9 P 63 11 11 129 Protocol Details 60 R 8 9 8 75 71 10 77 46 S 101 Self-update 56 69 Sequencing rules 82 68 Server 60 69 69 69 69 70 70 76 76 77 77 68 67 79 68 63 75 75 71 71 77 77 69 69 68 71 71 77 77 72 72 79 67 59 59 59 21 12 71 77 72 Syntax 20 20 T Timer events 83 79 Timers 82 67 177 13 13 Triggered events - higher-layer 82 68 Types 56 59 U 56 58 V