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Article ID: 6352, created on May 18, 2009, last review on Mar 13, 2013

  • Applies to:
  • Operations Automation


When installing WindowsStreamingMedia service package on hosts with Windows 2003 x64, the installation fails with error:
Class not registered


WMSProviderClient, a part of MPFProviderClient package, is not registered properly as DCOM application (specific for Windows 2003 x64 systems).


On the host where WindowsStreamingMedia service package is to be installed, under administrative account execute the following command (paths may be adjusted if installation use not default paths):
C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727\RegAsm.exe /tlb /codebase "C:\Program Files (x86)\SWsoft\PEM\MPF Provider Clients\WMSProviderClient.dll"

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