Description of the UDP Port Reservation Utility for Windows Server 2003

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
Summary
This article describes the UDP Port Reservation Utility for Windows Server 2003. System administrators can use this utility to reserve UDP Ports that are required by most Microsoft services. System administrators might want to use this utility if certain Microsoft services cannot start because of port binding failures.
More information

Update information

The following files are available for download from the MicrosoftDownload Center:

Update for Windows Server 2003

DownloadDownload the KB956263 package now.

Update for Windows Server 2003 for Itanium-based Systems

DownloadDownload the KB956263 package now.

Update for Windows Server 2003 x64 Edition

DownloadDownload the KB956263 package now.

Update for Windows XP x64 Edition

DownloadDownload the KB956263 package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Note This utility is also available for Windows Small Business Server 2003 users through Microsoft Update.

The utility reserves the UDP ports by adding a set of ports into the following registry entry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\ReservedPorts
The following ports are reserved by this utility.
Port numberProtocolService name
1080UDPInternet Authentication Service
1434UDPMicrosoft SQL Server
1645UDPInternet Authentication Service
1646UDPInternet Authentication Service
1701UDPRouting and Remote Access
1718-1719UDPISA2000 (only)
1720UDPISA2000 (only)
1745UDPISA
1755UDPWindows Media Services
1801UDPMessage Queuing
1812UDPInternet Authentication Service
1813UDPInternet Authentication Service
1900UDPSSDP Discovery Service
2460UDPWindows Media Services
2535UDPDHCP Server
2701UDPSMS Remote Control Agent
2702UDPSMS Remote Control Agent
2703UDPSMS Remote Control Agent
2704UDPSMS Remote Control Agent
2883UDPExchange Server
3343UDPCluster Service
3500-3619UDPISA 2000 (only)
3527UDPMessage Queuing
4011UDPRemote Installation
4500UDPLocal Security Authority
5004UDPWindows Media Services
5005UDPWindows Media Services

Uninstall behavior

If you uninstall this utility, the ports that are added by the utility are not removed automatically.
Properties

Article ID: 956263 - Last Review: 01/16/2015 02:38:04 - Revision: 3.0

  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Small Business Server 2003 Standard Edition
  • Microsoft Windows Small Business Server 2003 Premium Edition
  • kbnosurvey kbarchive kbsurveynew kbexpertiseadvanced kbhowto kbinfo KB956263
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