Windows Server 2003 doubles active sites since July; 5% were previously running Linux

Windows 2003 continues to increase in total hostname and active sites, with the number of active sites growing 109% to 185K since July 2003.

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Largest Microsoft Windows Server 2003
hosting companies by Active sites, Sept 2003
CompanyActive Sites
  Myhosting.com32,810
  Fasthosts22,949
  AdvancedAccess10,439
  Interland8,066
  1&1 Internet6,027
  InterNed Services5,229
  GMO5,113
  ViaWest4,099

Myhosting.com continues to be the top hoster of active Windows Server 2003 sites, and now has over 98% of their active sites migrated to Windows 2003.

Comparing the sites which are now hosted on Windows 2003 with their operating system in January 2003 shows over 42% of these to be new sites, 49% (153K) to be upgrades from other Windows platforms (mainly Windows 2000), 5% (16.5K) to be migrations from Linux and 1% from FreeBSD (3K) and 1% from Solaris (2.5K).

Notably, the number of sites switching from Linux has proportionately kept pace since July when many commentators thought the 5% of sites switched to Windows 2003 from Linux was an aberration.