MB6-894 Exam Development, Extensions and Deployment for Microsoft Dynamics 365 for Finance and Operations

This preparation guide includes information and tools to assist you in preparation for MB6-894 Exam Development, Extensions and Deployment for Microsoft Dynamics 365 for Finance and Operations.


May 2020 the exam MB6-894 came back to availability – originally retired by Microsoft on December 31, 2019. 

So our MB6-894 training offerings are back: open classes, training materials, – and online events coming too

Who should take this exam?

Candidates for this exam are technical consultants, programmers, or IT personnel who implement the basic technical and development tasks required to customize Microsoft Dynamics 365  Finance and Microsoft Dynamics 365 Commerce.

Candidates should have a basic knowledge of Microsoft Dynamics 365 Finance and Microsoft Dynamics 365 Commerce. Additionally, experience with Visual Studio, and object-oriented programming is required.

Candidates for this development exam should have a moderate understanding of programming concepts and processes, as well as an understanding of Finance and Commerce modifications, enhancements, and new development projects that apply to the different business process scenarios.

Skills measured

This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area on the exam. The higher the percentage, the more questions you are likely to see on that content area on the exam. View Microsoft video tutorials about the variety of question types on Microsoft exams.

Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.

Do you have feedback about the relevance of the skills measured on this exam? Please send Microsoft your comments. All feedback will be reviewed and incorporated as appropriate while still maintaining the validity and reliability of the certification process. Note that Microsoft will not respond directly to your feedback. We appreciate your input in ensuring the quality of the Microsoft Certification program.

If you have concerns about specific questions on this exam, please submit Microsoft an exam challenge.

Understand the architecture and development environment (20% – 25%)

  • Describe the Microsoft Dynamics 365 for Finance architecture
    • Describe the development environment; describe the components in the application stack; identify cloud architecture components; explain the server architecture; describe the layer architecture
  • Describe the Microsoft Dynamics 365 Commerce architecture
    • Identify components of the retail solutions and their purpose; Describe differences and uses for the Retail Server and the Retail Store Scale Unit (RSSU); Describe hardware components; Describe and create components for the Modern Point of Sale (MPOS) and the Cloud Point of Sale (Cloud POS)
  • Manage development with Microsoft Visual Studio and Lifecycle Services (LCS)
    • Identify the windows and basic navigation of Visual Studio; describe differences between and uses for projects, models, solutions, and packages; describe and perform the build process; describe the features of LCS; use LCS to deploy hotfixes, manage assets, and complete the build process.

Develop new elements by using the Application Explorer to  (20% – 25%)

  • Create and manage labels and resources
    • Create new label files; create and use labels; describe elements and uses for labels; identify best practices for labels; identify uses for resources
  • Create and manage data types
    • Describe uses for base enumerations; create new base enumerations; identify best practices for base enumerations; describe primitive and extended data types; create new extended data types; identify key properties for extended data types; implement best practices for extended data types
  • Create and manage tables
    • Identify the components of a table; describe various types of table relationships; describe various types of table indexes; implement best practices for tables, relationships, and indexes

Read and Write Basic X++ (20% – 25%)

  • Describe the X++ environment
    • Identify the characteristics of X++; use the code editor to write X++; describe the features of IntelliSense; identify basic syntax for X++; describe the use of common key words in X++; describe the features of the debugger; use the comparison tool; use the best practice checker
  • Work with X++ control statements
    • Work with variables, operators, conditional statements, and loops; use built-in functions; use communication tools
  • Work with classes
    • Create new classes; describe scoping events and parameters; describe inheritance; identify key best practices when writing X++
  • Manipulate data with X++
    • Identify techniques for data retrieval; explain uses for transaction integrity checking; insert, update, and delete records using X++; identify best practices for manipulating data with X++
  • Manage exceptions in X++
    • Identify exception types; use try/catch statements; describe the features of optimistic concurrency control; describe best practices for exception handling with X++

Manage the User Interface and Security for Developers (20% – 25%)

  • Manage the user interface
    • Identify components of various form patterns; identify common form patterns and sub-patterns; identify key properties for form elements; apply and validate form patterns; describe uses for tiles; describe how to join data in forms; implement best practices for form development
  • Manage the user navigation
    • Identify types of menu items; create menu items and menus; identify key properties for menu items; describe uses for menu items; implement best practices for menus and menu items
  • Manage security in the development environment
    • Describe the security architecture; describe the components of role-based security; create new privileges, duties, and roles in the application explorer; describe the extensible data security framework

Develop and extend retail components (15% – 20%)

  • Modify retail components
    • Describe the components of the Commerce Runtime (CRT) and how to extend the CRT; describe the components of the Commerce Data Exchange (CDX) and how to extend the CDX; Identify components of the retail architecture that can be extended; Describe how to extend various components of the retail architecture.
  • Deploy retail modifications
    • Describe how to package and deploy retail modifications into a source environment; review and apply retail hotfixes; create and deploy packages for retail; resolve conflicts and rebuild packages
  • Monitor retail components
    • Identify, use and extend diagnostics and monitoring tools for retail components; Identify, setup, and monitor data distribution and offline databases; Understand hot, warm, and cold paths for diagnostics and monitoring; Use events logs, and LCS to monitor and diagnose issues with retail components

Preparation options for MB6-894 Exam Development, Extensions and Deployment for Microsoft Dynamics 365 for Finance and Operations

Instructor-led training

AXcademy open classes

Self-paced training

AXcademy Training Materials

If you do not have the option to participate in our training classes, the training materials are available for purchase in our shop:

Development Extensions Deployment for Microsoft Dynamics 365 for Finance and Operations Training materials

Development, Extensions, Deployment for Microsoft Dynamics 365 for Finance and Operations
Online training

Coming soon

More information about D365FO exams

View the complete list of Microsoft Dynamics 365 FO Certification Exams

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