Microsoft Windows Servers; NT 3.51 through 2008Microsoft SQL Servers; 6.5 through 2008Microsoft Internet Information Server (IIS) 4.0 through 7.0Microsoft Share Point; 2003 and 2007Microsoft Office Servers 2007Microsoft Exchange Server; 5.5 through 2010Microsoft Office Suite; 2000 through 2010 (beta)Microsoft HPC (Cluster) Server; 2003 and 2008Microsoft Virtualization; HYPER-V 2008VM Ware ESX/GSX and Desktop versionsMicrosoft Commerce Server 2.0 through 2009Microsoft Active Directory; Windows 2000 through 2008Microsoft ISA Server; 2000 through 2006Microsoft Proxy Server; 2.0 and 3.0. Prior to ISA Server Network Protocols and TopologiesServer Configuration and Repair (Dell, IBM, HP, Apple, Clone)Router / Switch Configuration and Installation; Cisco / HP / DellNetwork installation, configuration and repairRAID Configurations; 0/1/5/10/50/JBODArray Hardware; Adaptec, LSI, DellNetwork Load-Balancing; F5, Windows NLB, CiscoFail-over and High-Availability solutionsLinux OS; Red Hat, Centos,