Juni 2022
Ralf Tessmann: Microsoft 365 Certified: Exchange Online
Support Engineer Specialty
März 2022
Ralf Tessmann: "Microsoft Certified: Windows Server Hybrid Administrator Associate"
Februar 2022
Ralf Tessmann: "AZ-801 Configuring Windows Server Hybrid Advanced Services" und
"AZ-800 Administering Windows Server Hybrid Core Infrastructure"
März 2021
Ralf Tessmann: "Microsoft 365 Certified: Teams Administrator Associate"
März 2020
Ralf Tessmann: "Microsoft Certified: Azure Administrator Associate"
Juni 2019
Ralf Tessmann: "Microsoft 365 Certified: Messaging Administrator Associate"
Juni 2017
Ralf Tessmann: "Microsoft Certified Solutions Expert Certification Cloud Platform and Infrastructure, Prüfung 744 Securing Windows Server 2016"
November 2016
Ralf Tessmann: "MCSA Windows Server 2016"
Mai 2016
Ralf Tessmann: "Microsoft Specialist: Designing and Deploying Microsoft Exchange Server 2016"
April 2016
Ralf Tessmann: "Microsoft Certified Solutions Expert: Enterprise Devices and Apps"
& "Designing and Deploying Microsoft Exchange Server 2016 (beta) 70-345"
Februar 2016
Ralf Tessmann: "Deploying Windows Devices and Enterprise Apps"
Januar 2016
Ralf Tessmann: "MCSA Windows 10 "
Oktober 2015
ek17 GmbH: "Microsoft Silver Partner Kompetenz":
- "Identity and Access"
Oktober 2015
Ralf Tessmann: "Microsoft Recertification for MCSE: Private Cloud"
August 2014
Björn Keil: "Microsoft Certified Solutions Expert (MCSE): Messaging"
Juni 2014
ek17 GmbH: "Microsoft Silver Partner Kompetenz":
- "Management and Virtualization"
Juni 2014
Dirk Kremser: "Microsoft Certified Solutions Associate (MCSA): Windows Server 2012"
Mai 2014
Ralf Tessmann: "Microsoft Certified Solutions Associate: Office 365"
Mai 2014
Björn Keil: "Microsoft Certified Solutions Associate (MCSA): Windows Server 2012"
März 2014
Ralf Tessmann: "Microsoft Certified Solutions Expert (MCSE): Desktop Infrastructure"
Februar 2014
ek17 GmbH: "Microsoft Silver Partner Kompetenz":
- "OEM"
Februar 2014
Ralf Tessmann: "Microsoft® Certified Solutions Associate: Windows 8"
Februar 2014
ek17 GmbH: "Microsoft Silver Partner Kompetenz":
- "Midmarket Solution Provider"
- "Identity and Access"
Januar 2014
Ralf Tessmann: "Microsoft Specialist: Server Virtualization with Windows Server Hyper-V and System Center Specialist System Center 2012 R2"
Dezember 2013
Ralf Tessmann: "Microsoft Certified Solutions Expert (MCSE): Communication"
Oktober 2013
Ralf Tessmann: "Core Solutions of Microsoft Lync Server 2013"
September 2013
ek17 GmbH: "Microsoft Silver Partner Kompetenz:"
- "Messaging"
September 2013
Björn Keil: "Microsoft Certified IT Professional (MCITP): Enterprise Messaging Administrator 2010"
August 2013
ek17 GmbH: "Microsoft Partner"
- "Silver Small Business"
- "Silver Server Platform"
Mai 2013
Björn Keil: "Microsoft Certified Technology Specialist (MCTS): Microsoft Exchange Server 2010 - Configuration"
Mai 2013
Ralf Tessmann: "Microsoft Certified IT Professional (MCITP): Office 365, Administrator"
April 2013
Ralf Tessmann: "Microsoft Certified Solutions Expert (MCSE): Messaging"
Januar 2013
Ralf Tessmann: "Microsoft Certified Solutions Expert (MCSE): Server Infrastructure"
Dezember 2012
Ralf Tessmann: "Microsoft Certified Solutions Associate (MCSA): Server 2012"
August 2012
ek17 GmbH: "Microsoft Small Business Specialist"
August 2012
Ralf Tessmann: "Microsoft Certified Solutions Expert: Private Cloud"
Mai 2012
Ralf Tessmann: "Microsoft Certified IT Professional (MCITP): Virtualization Administrator on Windows Server 2008 R2"
April 2012
Ralf Tessmann:
- "Microsoft Certified Solutions Associate (MCSA): Windows Server 2008"
- "Microsoft Certified Technology Specialist (MCTS): Windows Server 2008 R2, Desktop Virtualization"
März 2012
Ralf Tessmann: "Microsoft Certified Trainer (MCT): MCT 2012 Enrollment"
Juni 2011
Ralf Tessmann:
- "Windows Server® 2008 R2, Server Virtualization"
- "System Center Data Protection Manager 2007, Configuration"
Mai 2011
Ralf Tessmann:
- "Enterprise Messaging Administrator on Exchange 2010"
- "Microsoft Certified IT Professional (MCITP)"
