- Microsoft Windows Server
- Microsoft Exchange Server
- Microsoft Exchange Online
- Microsoft Active Directory und Domain Architektur und Services
- Microsoft Windows Client
- Microsoft SQL Server
- Microsoft Sharepoint Services und Server
- Microsoft IIS
- Microsoft Windows PowerShell
- Microsoft .NET (Visual Basic, C#), Java
- Microsoft Hyper-V, VMware vSphere
- Microsoft Identity Manager
- iSCSI und Fibre-Channel SAN Storage (HP, Dell)
- Linux (CentOS, RHEL, SUSE), FreeBSD
- Apache HTTP Server
- Apache Tomcat
- VPN Lösungen
- Standarddienste und -protokolle wie IP, TCP, DNS, DHCP, HTTP