Our Portals

Portals overview


Portals such as VWGRCLite ServiceNet at a glance.

Shop

Purchase or upgrade PLM Cloud and Open Telekom Cloud online.

Client Service Center


To order things, request services get help or report an issue.
  • Germany
    • Europe

      • Austria
      • France
      • Germany
      • Great Britain
      • Hungary
      • Netherlands
      • Nordic
      • Portugal
      • Spain
      • Switzerland
    • Americas

      • Argentina
      • Brazil
      • Mexico
      • USA
    • Asia

      • China
      • India
      • Indonesia
      • Singapore
EN DE
T-Systems-Logo
    T-Systems-Logo
    • Overview
      • Overview
        • Software-Defined Vehicle
        • Automotive Customer Experience
        • Automotive Journey to Cloud
        • Digital Manufacturing
        • Digital Engineering
        • Connected Mobility Hypercube
        • In-Car Software
        • Over-the-Air Updates
        • Automotive Security
        • Teleoperated Driving
        • Catena-X
        • Future Engineering
        • Industrial Metaverse with NVIDIA Omniverse
        • Battery Production
        • Omnichannel Customer Journey
        • AI in Automotive
        • Customer Analytics and Insights
        • Customer Service Automation
        • Digitalize dealership with advanced solutions
        • SDV Validation and Verification
      • Insights
      • Customer Success
      • Overview
        • Digitalization in the Hospital
        • Digital Health Insurance
        • Connection to Telematics Infrastructure
        • Digitalization of Care
      • Insights
      • Customer Success
      • Overview
        • Digital Public Administration
        • Public Sector Sustainability
        • Digital Sovereignty
        • Tolling as a Service
      • Insights
      • Customer Success
      • Overview
        • Public Transport Infrastructure
        • Public Transport Operations
        • Public Transport Maintenance
        • Passenger Experience
        • Digital Rail Infrastructure
        • Smart Station, Smart Vehicle
        • Digital Communication Infrastructure
        • Intermodal Transport Control Systems
        • Planning & Disposition
        • Analytics & Optimization
        • Passenger Infotainment
        • Ticket & Revenue Settlement in Public Transport
        • Multimodal Transport & Mobility-as-a-Service
        • Airport Management
      • Insights
      • Customer Success
      • Overview
        • Digitalization of Financial Services
        • Finance Transformation & Modernization
        • Security & Compliance for Financial Services
      • Insights
      • Customer Success
      • Overview
        • Resilient Supply Chains
        • Product Lifecycle Management
        • Process Industries & Electronics
        • Aerospace & Defense Industry
        • Smart Sustainable Manufacturing
        • Data and AI based Optimization Approach
        • SAP S/4HANA Transformation in Manufacturing
      • Insights
      • Customer Success
      • Overview
        • Connected Retail
        • Retail Supply Chain Management
        • Sustainability in Retail & Logistics
        • Retail IT Modernization
        • Digitalization for Utilities
        • Digital Delivery Note
        • Magenta Task Management
      • Insights
      • Customer Success
      • Overview
        • Application Lifecycle Management
          • Overview
          • RISE with SAP
          • SAP S/4HANA Migration
            • Overview
            • SAP on AWS
          • SAP Application Management & Modernization
          • SAP Sustainability Solutions
          • SAP HCM Transformation
          • Overview
          • ServiceNow Professional Services
          • Managed SaaS
          • ServiceNow Application and Operations Management
          • AMBIKA – EV Charging Station Management Solution
          • Supply Chain Transparency Suite
        • Enterprise Application Services
        • Landscape Modernization
      • Insights
      • Customer Success
      • Overview
        • Managing Applications
        • Application Management Services
          • Overview
          • Managed Cloud Container Services on AWS
      • Insights
      • Customer Success
      • Overview
        • Overview
        • Artificial Intelligence and Data
        • AI Strategy
        • AI Solution Factory
        • Artificial Intelligence and Data Analytics
        • AI Foundation Services
        • Industrial AI Cloud
        • AI on Google Cloud
        • UiPath AI-as-a-Service
      • Insights
      • Customer Success
      • Overview
        • Managing the Cloud Environment
          • Overview
          • Multi Cloud Connectivity Platform
          • Future Cloud Infrastructure
          • VMware Managed Services
          • Classic Hosting
          • Overview
          • Managed Cloud Services for Google Cloud
          • T Cloud Public
            • Overview
            • Data Protection in the AWS Cloud
            • Generative AI on AWS
            • AWS Security
            • AWS Migration
            • SAP on AWS
            • VMware to AWS Migration
            • AWS Well-Architected Framework Review
            • Overview
            • Cloud Connect for Azure
            • Multicloud Management with Azure Arc
          • Cloud Acceleration
        • Cloud Professional Services
        • Mainframe Services
        • Managed EDI Services
        • Co-Location Services
        • FinOps Cloud Services
      • Insights
      • Customer Success
      • Overview
        • Workflow Optimization with Data Harmonization
        • Collaboration Services
          • Overview
          • Akamai Videos
          • Overview
          • ImageMaster
          • TypeMaster
          • NormMaster
          • RouteMaster
      • Insights
      • Customer Success
      • Overview
        • Data-Driven Transformation
        • Data Intelligence Hub
        • Big Data Analytics
        • Data Spaces
        • Modern Data Backup
        • Data Mesh
        • Machine Data Analytics
        • Digital Product Passport as a Service
      • Insights
      • Customer Success
      • Overview
        • Experience Transformation
      • Insights
      • Customer Success
      • Overview
        • Digital Workplace
        • Hyperautomation
      • Insights
      • Customer Success
      • Overview
        • Improve Efficiency with IoT-Integration
        • IoT Solutions
        • Remote Monitoring of Machines
        • EdgAir
      • Insights
      • Customer Success
      • Overview
        • Optimizing your Cloud Journey
        • T-Systems @Vantage for Seamless IT Modernization
        • Mainframe & Cloud Transformation
        • Cloud Migration Services
        • Cloud Migration Framework
        • Managed Application Retirement Services
        • AWS Migration
        • VMware to AWS Migration
        • VMware to Azure Migration
      • Insights
      • Customer Success
      • Overview
        • Increase Collaboration
        • Quantum as a Service
      • Insights
      • Overview
        • Cyber Resilience & Recovery
        • Security Compliance and Culture
        • Zero Trust: Securing business assets
        • Smarter Security for the AI era
        • Secure Access Service Edge
        • Managed Detection and Response
        • Microsegmentation
        • Security Consulting
        • Automated Penetration Testing
        • OT Security
      • Insights
      • Customer Success
      • Overview
        • Data Sovereignty: Beyond Data Protection
        • Sovereign Cloud Powered by Google Cloud
        • Open Sovereign Cloud
      • Insights
      • Customer Success
      • Overview
        • Business Model Transformation
        • Operations & Performance Consulting
        • Technology Consulting
        • Transformation & Innovation Consulting
        • Industries Consulting
      • Insights
      • Customer Success
      • Overview
        • Sustainable Future
        • Sustainable Innovations
        • Green IT
      • Insights
      • Customer Success
    • Overview
      • Overview
      • AI Controls Fiber Optic Expansion at DT Technik
      • Digitalization of Madrid's Public Service
      • AI Reduces Research Time by 50% at ENERGIEALLIANZ Austria
      • AI for the Future of Education
      • Financial Controller Knowledge Chatbot
      • HR Transformation with Hyperautomation for Deutsche Telekom Services Europe
      • Tesoro Publico: Public Debt Management for Spain’s Treasury
      • SAP Hospital Management System for UKBB
      • Seamless Transition to SAP S/4HANA for Ategris
      • ASTA Brazil: A Transformative Business Intelligence Solution
      • Deutsche Bahn revolutionizes passenger information with AI
      • Hamburg Testing Digital Solutions for Intelligent Traffic Management
      • Migration of PLM Data with PDM WebConnector
      • Digital Identity for the Healthcare Sector with IDP-Service
      • Volkswagen: Robotic Process Automation in IT Service Management
      • Schiphol Airport: Enhancing Operations
      • Overview
      • Cloud Use for Social Security Data at Health Insurance Companies
      • Generalitat de Catalunya: Partnering for Innovation and Quality
      • TÜV SÜD Joined Catena-X
      • Union Investment: Faster Financial Transactions with Mainframe
      • Valora: New Business Models Through T-Systems Private Cloud
      • Avendoo: Sovereign Cloud for Education Platform
      • Modern, Flexible Learning for Postbeamten-Krankenkasse
      • Cloud-native Modernization in Swiss Agriculture
      • LLMs from T Cloud Public
      • Deutsche Telekom IT Moves to RISE with SAP
      • Low-Code Development with Pega Infinity in Schleswig-Holstein
      • Milestones of the Partnership with Deutsche Post DHL
      • Future of Data for Dataland with T Cloud Public
      • Migration to Future Cloud Infrastructure for TDK
      • Vion’s Cloud Journey with T-Systems
      • Smart Health Chat for Medbo Hospital Group
      • Overview
      • KAESER KOMPRESSOREN: Cloud Security for Agile Working
      • WGKD: Data Privacy in Office 365
      • DB Netz AG: Security Foundation for the Future
      • KAESER: Secure Enterprise Mobility Management
      • Saarland: BSI-Compliant Encryption
    • Analyst Ratings
      • Overview
      • News
      • Management Unplugged
      • Expert Blogs
        • Overview
        • Impulse newsletter
        • Newsletter for oil, gas and energy industry
    • Events and Webinars
      • Overview
        • Overview
        • ISG Provider Lens™ – Automotive and Mobility Services 2025
        • ISG Provider Lens™ – ServiceNow Ecosystem Partner 2025
        • ISG Provide Lens™ – SAP Ecosystem 2025
        • ISG Provider Lens™ – Advanced Analytics and AI 2024
        • ISG Provider Lens™ – Intelligent Automation 2024
        • PAC Radar – AI-Related Services 2024
        • PAC RADAR – SAP Services 2024
        • Overview
        • ISG Provider Lens™ - AWS Ecosystem 2025
        • Managed Service Provider
        • ISG Provider Lens™ – Multi Public Cloud Services Germany 2024
        • ISG Provider Lens™ – Multi Public Cloud Europe 2024
        • PAC RADAR – Google Cloud Platform 2025
        • The Forrester Wave™ – Public Cloud Platforms In Europe, Q3 2024
        • ISG Provider Lens™ – AWS Ecosystem Partners 2024
        • ISG Provider Lens™ – Google Cloud Ecosystem 2024
        • ISG Provider Lens™ – Microsoft Ecosystem 2024
        • NelsonHall – Advanced Digital Workplace Services 2023
        • PAC Innovation RADAR – AWS IT Ecosystem 2023
      • Security
      • Overview
      • AI & Cloud
      • Overview
      • Profile
        • Board of Management
        • Supervisory Board
      • Corporate Governance
      • Certificates
      • Overview
        • Global
        • Overview
        • What we offer
        • Our culture
        • Your development
        • Diversity at T-Systems
        • Job search
        • Our solutions and insights
          • Overview
          • Job search
          • Overview
          • Trainee program Start up!
          • #youlearn entry-level program
          • Direct entry
          • Working students
          • Internship
          • University Collaborations
          • Job search
          • Overview
          • Bachelor's degree
          • Apprenticeship
          • Job search
        • How to apply
      • Overview
      • Data Center Biere
        • Innovation Center Munich
        • Innovation Center Utrecht
        • Innovation Center Pune
        • Innovation Center Iberia
        • CloudHub Budapest
        • Innovation LAB
        • Werner-von-Siemens Centre for Industry and Science
      • Overview
        • Overview
        • Business Partner Sovereign Controls
    • Locations
    • Service Portals
    • Contact
    • Contact

    Filter results

    Select type of document

    Selected filters:
    • Delete all filters

    SAP S/4HANA transformation: setting the right course

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. SAP S/4HANA Transformation: Setting the Right Course
    How companies can get their SAP S/4HANA projects on the road to success by using the right strategic guidelines.

    Patrick Köhler

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Patrick Köhler
    Patrick Köhler began his professional journey to becoming an IT systems technician at Deutsche Telekom AG in 2000 and started his IT career in 2003 in the field sales division of the service department. He played a decisive role in the development of...

    Lydia Delyova

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Lydia Delyova
    After graduating with a Master’s degree in Air Transport Management in 2012, Lydia started her career as a Junior AIX Administrator. She dedicated five years to this role, becoming an IBM Certified System Expert and later a Project Lead for two more years.

    Stephan De Haas

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Stephan De Haas
    Stephan de Haas studied civil engineering and numerical methods at the Technical University of Darmstadt. He joined T-Systems as an executive in 2009 and has been leading consulting teams in sales since then. Before T-Systems, Stephan was CTO at EDS /...

    Dipl. Ing. Manfred Rothemund

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Dipl. Ing. Manfred Rothemund
    Manfred Rothemund studied plastics technology at the Darmstadt University of Applied Sciences. He joined T-Systems in 2017 as Strategic Business Investment Manager and has since led various initiatives in the CTO area. Before T-Systems, Manfred was Senior...

    Martin Holzinger

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Martin Holzinger
    Martin Holzinger has been successfully working in the data center business for over 20 years. Since the realignment of T-Systems, he has been responsible for business development within the “Managed Infrastructure Services & Private Cloud” portfolio unit. His...

    Dirk Backofen

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Dirk Backofen
    Dirk Backofen is responsible for the Digital Identity Business of Deutsche Telekom and T-Systems. In this role, he is responsible for a new business unit that includes all identity technologies such as EUDI Wallet, eID, Smart eID and OIDC.
    Dirk coordinates...

    Volker Rieger

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Volker Rieger
    Volker Rieger works as Managing Partner at Detecon International GmbH, the advisory arm of T-Systems. He is responsible for Detecon’s consulting business in the energy industry. For more than 20 years, he has been advising national and international clients...

    Stephan Kaulbach

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Stephan Kaulbach
    Stephan Kaulbach is Chief Technology Officer in the Public Transport division at T-Systems. With over 25 years of experience in the IT industry and a clear focus on digitalization and digital transformation, he brings extensive expertise from international...

    Roman Schneider

    1. Homepage
    2. Insights
    3. Newsroom
    4. Expert Blogs
    5. Authors overview
    6. Roman Schneider
    Roman Schneider was born in 1991 and lives in the south of Germany near Ulm. His AWS journey commenced in 2018 when he began supporting large enterprise-grade customers manage their AWS Organizations. In December 2020 Roman joined the T-Systems AWS Chapter and...
    • double arrow
    • single arrow
    • 21
    • 22
    • 23
    • 24
    • 25
    • single arrow
    • double arrow
    • youtube
    • x
    • linkedin
    • xing

    T-Systems-Logo
    • Contact
    • Locations
    • Newsletter
    • Service Portals
    • Imprint
    • Data Privacy
    • Disclaimer
    • Compliance/Supply Chain
    © 2026 T-Systems International GmbH. All rights reserved.
    • Contact
    • Newsletter
    • Expert-Blogs
    • Close
    Do you visit t-systems.com outside of Germany? Visit the local website for more information and offers for your country.