--- title: Learn SAP from the Experts | The SAP PRESS Blog | Administration (16) description: Administration | Learn how to use SAP and take the next step on your learning journey. Read blogs on SAP S/4HANA, FICO, ABAP, SuccessFactors, SAP BTP, SAP Fiori, and more! (16) --- [![rheinwerk-sappress-logo-header-1](https://blog.sap-press.com/hubfs/rheinwerk-sappress-logo-header-1.svg)](https://blog.sap-press.com/) [Blog](https://blog.sap-press.com) - Books - Get an overview of our books and courses on every relevant SAP topic. - [Programming](https://sap-press.com/programming/) - [Administration](https://sap-press.com/administration/) - [BI](https://sap-press.com/business-intelligence/) - [Finance](https://sap-press.com/finance-controlling/) - [Logistics](https://sap-press.com/logistics/) - [HR](https://sap-press.com/human-resources/) - [CRM & Sales](https://sap-press.com/marketing-sales/) - [HANA](https://sap-press.com/hana/) - [Introductions](https://sap-press.com/introductions/) - [E-Bites](https://sap-press.com/e-bites/) - [Certification Guides](https://www.sap-press.com/certification-guides/) - [Rheinwerk Courses](https://www.sap-press.com/online-courses/) - Book Subscription - Get unlimited access to all SAP PRESS books! - [SAP PRESS Subscription](https://sap-press.com/subscriptions/) # Administration (16) [![Implementing ABAP Server Session Security](https://blog.sap-press.com/hs-fs/hubfs/Implementing%20ABAP%20Server%20Session%20Security.png?height=600&name=Implementing%20ABAP%20Server%20Session%20Security.png)](https://blog.sap-press.com/implementing-abap-server-session-security) ## [Implementing ABAP Server Session Security](https://blog.sap-press.com/implementing-abap-server-session-security) After the initial user authentication on an ABAP server, an HTTP security session is established between the client (web browser) and the server... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/implementing-abap-server-session-security) [![An Overview of the SAP S/4HANA VDM](https://blog.sap-press.com/hs-fs/hubfs/An%20Overview%20of%20the%20SAP%20S4HANA%20VDM.png?height=600&name=An%20Overview%20of%20the%20SAP%20S4HANA%20VDM.png)](https://blog.sap-press.com/an-overview-of-the-sap-s4hana-vdm) ## [An Overview of the SAP S/4HANA VDM](https://blog.sap-press.com/an-overview-of-the-sap-s4hana-vdm) The *virtual data model* (VDM) represents the semantic data model of the business applications in SAP S/4HANA. It aims at exposing all the business... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/an-overview-of-the-sap-s4hana-vdm) [![How to Start and Stop an Instance of SAP HANA](https://blog.sap-press.com/hs-fs/hubfs/How%20to%20Start%20and%20Stop%20an%20Instance%20of%20SAP%20HANA.png?height=600&name=How%20to%20Start%20and%20Stop%20an%20Instance%20of%20SAP%20HANA.png)](https://blog.sap-press.com/how-to-start-and-stop-an-instance-of-sap-hana) ## [How to Start and Stop an Instance of SAP HANA](https://blog.sap-press.com/how-to-start-and-stop-an-instance-of-sap-hana) In this blog post, we’ll discuss starting, stopping, and restarting an instance of SAP HANA. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/how-to-start-and-stop-an-instance-of-sap-hana) [![Planning an SAP S/4HANA System Conversion](https://blog.sap-press.com/hs-fs/hubfs/Planning%20an%20SAP%20S4HANA%20System%20Conversion.png?height=600&name=Planning%20an%20SAP%20S4HANA%20System%20Conversion.png)](https://blog.sap-press.com/planning-an-sap-s4hana-system-conversion) ## [Planning an SAP S/4HANA System Conversion](https://blog.sap-press.com/planning-an-sap-s4hana-system-conversion) A technical conversion is a combination of a release upgrade from SAP ERP to SAP S/4HANA and a database migration from the current database system to... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/planning-an-sap-s4hana-system-conversion) [![Tools for the SAP HANA Administrator](https://blog.sap-press.com/hs-fs/hubfs/Tools%20for%20the%20SAP%20HANA%20Administrator.png?height=600&name=Tools%20for%20the%20SAP%20HANA%20Administrator.png)](https://blog.sap-press.com/tools-for-the-sap-hana-administrator) ## [Tools for the SAP HANA Administrator](https://blog.sap-press.com/tools-for-the-sap-hana-administrator) Let’s explore the SAP HANA administrator persona and the tools at their disposal. In this post, we’ll briefly describe the job role and associated... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/tools-for-the-sap-hana-administrator) [![SAP S/4HANA Cloud Deployment Options](https://blog.sap-press.com/hs-fs/hubfs/SAP%20S4HANA%20Deployment%20Options.png?height=600&name=SAP%20S4HANA%20Deployment%20Options.png)](https://blog.sap-press.com/sap-s4hana-cloud-deployment-options) ## [SAP S/4HANA Cloud Deployment Options](https://blog.sap-press.com/sap-s4hana-cloud-deployment-options) In this blog post, we’ll cover the SAP S/4HANA Cloud deployment options available as your next-generation ERP software. We’ll describe the main... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/sap-s4hana-cloud-deployment-options) [![SAP S/4HANA Project Planning: Things to Know](https://blog.sap-press.com/hs-fs/hubfs/Project%20Planning%20with%20SAP%20S4HANA%20Things%20to%20Know.png?height=600&name=Project%20Planning%20with%20SAP%20S4HANA%20Things%20to%20Know.png)](https://blog.sap-press.com/project-planning-with-sap-s4hana-things-to-know) ## [SAP S/4HANA Project Planning: Things to Know](https://blog.sap-press.com/project-planning-with-sap-s4hana-things-to-know) Project System provides the Project Builder (Transaction CJ20N) and Project Planning Board (Transaction CJ27) to support project planning tasks for... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/project-planning-with-sap-s4hana-things-to-know) [![What to Know About the SAP S/4HANA Trial System](https://blog.sap-press.com/hs-fs/hubfs/What%20to%20Know%20About%20the%20SAP%20S4HANA%20Trial%20System.png?height=600&name=What%20to%20Know%20About%20the%20SAP%20S4HANA%20Trial%20System.png)](https://blog.sap-press.com/what-to-know-about-the-sap-s4hana-trial-system) ## [What to Know About the SAP S/4HANA Trial System](https://blog.sap-press.com/what-to-know-about-the-sap-s4hana-trial-system) Both SAP customers and SAP partners can access the *trial system*, SAP S/4HANA’s reference solution. The trial system contains SAP Best Practices, as... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/what-to-know-about-the-sap-s4hana-trial-system) [![What Is Selective Data Transition for SAP S/4HANA?](https://blog.sap-press.com/hs-fs/hubfs/What%20is%20a%20Bluefield%20Implementation%20in%20SAP.png?height=600&name=What%20is%20a%20Bluefield%20Implementation%20in%20SAP.png)](https://blog.sap-press.com/what-is-selective-data-transition-for-sap-s4hana) ## [What Is Selective Data Transition for SAP S/4HANA?](https://blog.sap-press.com/what-is-selective-data-transition-for-sap-s4hana) Selective data transition is an alternative to the new implementation or system conversion approach and is relevant for companies moving from an... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/what-is-selective-data-transition-for-sap-s4hana) [![What Are the Data Migration Phases for an SAP S/4HANA Project?](https://blog.sap-press.com/hs-fs/hubfs/What%20Are%20the%20Data%20Migration%20Phases%20for%20an%20SAP%20S4HANA%20Project.png?height=600&name=What%20Are%20the%20Data%20Migration%20Phases%20for%20an%20SAP%20S4HANA%20Project.png)](https://blog.sap-press.com/what-are-the-data-migration-phases-for-an-sap-s4hana-project) ## [What Are the Data Migration Phases for an SAP S/4HANA Project?](https://blog.sap-press.com/what-are-the-data-migration-phases-for-an-sap-s4hana-project) You can use different process models and methods for SAP S/4HANA implementation projects. The current process model or framework for implementing SAP... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/what-are-the-data-migration-phases-for-an-sap-s4hana-project) - - [1](https://blog.sap-press.com/tag/administration/page/1) - [...](https://blog.sap-press.com/tag/administration/page/11) - [14](https://blog.sap-press.com/tag/administration/page/14) - [15](https://blog.sap-press.com/tag/administration/page/15) - [16](https://blog.sap-press.com/tag/administration/page/16) - [17](https://blog.sap-press.com/tag/administration/page/17) - [18](https://blog.sap-press.com/tag/administration/page/18) - [...](https://blog.sap-press.com/tag/administration/page/20) - [20](https://blog.sap-press.com/tag/administration/page/20) - ### SAP Blog Topics - [All SAP Topics](https://blog.sap-press.com) - [Logistics](https://blog.sap-press.com/tag/logistics) - [Programming](https://blog.sap-press.com/tag/programming) - [FICO](https://blog.sap-press.com/tag/fico) - [Administration](https://blog.sap-press.com/tag/administration) - [Featured](https://blog.sap-press.com/tag/featured) - [Business Intelligence](https://blog.sap-press.com/tag/business-intelligence) - [What Is?](https://blog.sap-press.com/tag/what-is) - [CRM & Sales](https://blog.sap-press.com/tag/crm-sales) - [Human Resources](https://blog.sap-press.com/tag/human-resources) - [Video](https://blog.sap-press.com/tag/video) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### Most Popular Blog Posts 1. 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