Windows Server 2008
PRIMEQUEST support Windows Server 2008. See here.
Windows Server 2003
PRIMEQUEST support Windows Serve 2003. See here.
Fujitsu and Microsoft have signed a Global Partnership agreement to collaborate on the development of open mission critical systems. Currently, Fujitsu and Microsoft are collaborating on the development of PRIMEQUEST, services, and mission-critical customer support, for Windows Server 2003. Both companies have also committed to collaborate on Windows Server 2008.
This agreement and joint cooperation work ensures that mission-critical level high reliability and high availability Windows platforms will be provided on PRIMEQUEST.