Legacy Update: Get back online, activate, and install updates on your legacy Windows PC

This update contains two distinct features: "File Share Witness" and "Configurable Cluster Heartbeats" for Windows Server 2003 Service Pack 1 (SP1) or R2 based clusters.

• This update contains two distinct features: "File Share Witness" and "Configurable Cluster Heartbeats" for Windows Server 2003 Service Pack 1 (SP1) or R2 based clusters. File Share Witness allows two-node Majority Node Set (MNS) quorum clusters to sustain one node failure. Configurable Cluster Heartbeats allows changing cluster heartbeat parameters so that clusters can be more tolerant to heartbeat failures. After you install this item, you may have to restart your computer.

Files

Status: Deleted This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

File	Size
WindowsServer2003-KB921181-v5-x86-ENU.exe SHA1: 0b544d11dabdb7c5150c52c6768d5261c2253f4e	920 KB

• • Windows Server 2003 Service Pack 1 Datacenter Edition; Windows Server 2003 Service Pack 1 Enterprise Edition
  
  

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  1. Click the Download button at the top of this page to start the download, or choose a different language from the drop-down list and click Change.
  
  
  2. Do one of the following:
  
  
  
  
  • To start the installation immediately, click Run.
  
  
  • To copy the download to your computer for installation at a later time, click Save.