Microsoft
Microsoft Certified Professional (MCP)
Microsoft Windows 2000/2003/2008 server
Microsoft Windows 2000/2003/2008/2011 Small Business Server
Microsoft SQL 2005 (Technology Specialist)
Windows Core Technologies
Internetworking
Administering Microsoft Windows
Paessler
PRTG Network Monitor
Lotus
Lotus Domino 5.x, 6.x, 7.x, 8.x
Lotus Notes 5.x, 6.x, 7x, 8.x
Novell
Netware 6 Certified Novell Engineer, CNE NW6
Netware 5 Certified Novell Engineer, CNE NW5, speciale Integrating Windows NT with NetWare
Netware 5 Certified Novell Salesperson, CNS
Netware 5 Certified Novell Administrator, CNA
HP/Compaq
Compaq Service Authorisation modul I+II