Hello, i am Christian,49 Years old german Systems Engineer with now over 27 years Years of Experience. Proficiency/Expertise: Windows Server from NT 4.0 to 2019, Active Directory,DNS,DHCP,DFS,File&Storage Server,Security,Group Policy,IIS,Print Server,RDS (Terminal Server) Cross Forest Migrations Mail Server : Exchange 5.5-2019,Office 365,Hosted Exchange,LYNC,Skype for Business, HMail, iRedMail Virtualisation: HyperV,Proxmox,VMWare,KVM,WHMCS Failover Clustering Windows Software Update Services (Wsus),Windows Deployment Services (WDS) Windows Embedded System Center (SCVMM,SCCM,SCOM,DPMBackup) Backup: Veeam,BackupExec,Arcserv,SCDPM,Windows Backup,Cloud Backup Storage: NetApp,NAS4Free,Nextcloud Firewall: pfsense,opnsense,Securepoint,Smoothwall,Sonicwall,Sophos Antivirus : Trend Micro Office Scan, Smart Protection Server, Control Manager, Scan Mail for Exchange Office 2003-Office 365 Ticket Systems : OTRS, Zendesk, OSTicket Web Development : Typo3 and Magento Phone Systems : Swyx, 3CX, freePBX Certifications: MCSE-Private Cloud MCSE-Server Infrastructure MCSE-Messaging MCSA-Windows Server MCITP MCP Linux Certified Swyx Administrator Certified 3CX Administrator I guarantee you a germany quality work & service to your issues and follow up! My target is to make you 100% happy