Skip to content
Credly
Create Account
Sign In
We've detected that your browser has JavaScript disabled. Some features of Credly require Javascript to be enabled. For the best experience, please enable JavaScript in your browser settings or try using a different browser.
Ralf Tessmann
CEO | ek17 GmbH
Badges
44 badges
Sort by:
Most popular
Most popular
Most recent
Microsoft Certified: Azure Administrator Associate
Microsoft
MCSA: Windows Server 2012 - Certified 2016
Microsoft
Microsoft Certified: Azure Administrator Associate (Legacy)
Microsoft
Exam 346: Managing Office 365 Identities and Requirements
Microsoft
Exam 413: Designing and Implementing a Server Infrastructure
Microsoft
Exam 347: Enabling Office 365 Services
Microsoft
Microsoft 365 Certified: Teams Administrator Associate
Microsoft
Exam 417: Upgrading Your Skills to MCSA Windows Server 2012
Microsoft
MCSE: Cloud Platform and Infrastructure — Certified 2016
Microsoft
Microsoft Certified Trainer 2021-2022
Microsoft
Exam 414: Implementing an Advanced Server Infrastructure
Microsoft
Microsoft Certified Trainer 2022-2023
Microsoft
Microsoft Certified Trainer 2020-2021
Microsoft
MCSE: Cloud Platform and Infrastructure — Certified 2017
Microsoft
Exam 743: Upgrading Your Skills to MCSA: Windows Server 2016
Microsoft
Exam 409: Server Virtualization with Windows Server Hyper-V and System Center
Microsoft
Microsoft Certified Trainer 2023-2024
Microsoft
MCSA: Office 365 - Certified 2016
Microsoft
Exam 697: Configuring Windows Devices
Microsoft
MCSE: Productivity — Certified 2016
Microsoft
Exam 341: Core Solutions of Microsoft Exchange Server 2013
Microsoft
Microsoft Certified Trainer 2019-2020
Microsoft
Exam 246: Monitoring and Operating a Private Cloud with System Center 2012
Microsoft
Exam 345: Designing and Deploying Microsoft Exchange Server 2016
Microsoft
Microsoft Certified Trainer 2018-2019
Microsoft
Microsoft 365 Certified: Messaging Administrator Associate
Microsoft
Instructor Recognition - Skillable Announcement
Skillable
Exam 744: Securing Windows Server 2016
Microsoft
Microsoft Certified Trainer 2017-2018
Microsoft
Exam 342: Advanced Solutions of Microsoft Exchange Server 2013
Microsoft
AZ-800: Administering Windows Server Hybrid Core Infrastructure
Microsoft
AZ-801: Configuring Windows Server Hybrid Advanced Services
Microsoft
Instructor Recognition - 100 Students Reached
Skillable
Microsoft Certified: Windows Server Hybrid Administrator Associate
Microsoft
CompTIA CTT+ Classroom Trainer Certification
CompTIA
Instructor Recognition - 25 Classes Delivered
Skillable
Instructor Recognition - 250 Students Reached
Skillable
Instructor Recognition - 50 Classes Delivered
Skillable
MCSA: Windows 10 - Certified 2016
Microsoft
Exam 695: Deploying Windows Desktops and Enterprise Applications
Microsoft
Exam 696: Administering System Center Configuration Manager and Intune
Microsoft
Microsoft 365 Certified: Exchange Online Support Engineer Specialty
Microsoft
MCSA: Windows Server 2016 - Certified 2016
Microsoft
MCSE: Mobility — Certified 2016
Microsoft
