Luka Peric

Hi, I'm Luka Peric

I build, integrate and fix Dynamics 365 F&O. Here I write down what I learn.

Certified D365 Finance & Operations developer. Practical guides on X++, integrations, environments and troubleshooting, straight from real projects.

18 May 2026·13 min read

F&O Integration patterns: What Microsoft's documentation won't tell you

Microsoft Learn lists six official integration patterns for F&O. Here is what that page leaves out: Business Events, Electronic Reporting, Dual-write, Synapse Link, Fabric, BYOD and more.

Integrations
8 December 2025·4 min read

Game changing licensing functionality in the latest D365 F&O PQU

D365 F&O 10.0.44 lets you duplicate a security role and trim it to a chosen licensing SKU automatically. How to spot expensive roles, use the feature and audit the changes.

Licensing & Security
3 December 2025·7 min read· Environment setup, part 2

The complete guide to creating D365 F&O Cloud-hosted build environment

Set up a cloud-hosted build environment for D365 F&O in LCS: what it is responsible for, how to deploy it, and how to connect it to Azure DevOps for automated builds.

Environments
12 September 2025·7 min read· Environment setup, part 1

The complete guide to creating D365 F&O Cloud-hosted dev environment

Deploy a cloud-hosted D365 F&O development environment through LCS: environment types, the deployment wizard, and how to access and start working on your new dev box.

Environments
25 July 2025·4 min read

AI Agents in Dynamics 365 - The Future of Business

A tour of the new AI agents in Dynamics 365: recruitment, supplier communications, account reconciliation, time and expense approvals, and scheduling. What each one does and where it pays off.

AI
21 July 2025·2 min read

Fixing the 'The selected package is missing the following modules' Error in Dynamics 365 F&O

Deployment fails with 'The selected package is missing the following modules'? Why it happens after removing an ISV or module, and how ModuleToRemove.txt fixes it.

TroubleshootingEnvironments
15 July 2025·5 min read

Resolving Sync Error: Specified field '%1' of datasource '%2' does not exist in the database or the configuration key on the field or on Extended Data Type used by the field is off

Database sync fails with 'Specified field of datasource does not exist'? The cause is usually a disabled configuration key. How to find it, enable it in maintenance mode and re-sync.

Troubleshooting
25 June 2025·3 min read

How to Enable Maintenance Mode in Microsoft Dynamics 365 F&O

How maintenance mode works in D365 F&O and how to enable or disable it on Tier-2+ environments via LCS and on dev or cloud-hosted boxes via SQL, including the required restarts.

Environments
30 April 2025·14 min read· F&O and Dataverse, part 2

Data Entities in Microsoft Dynamics 365 F&O – Practical Configuration Guide

Hands-on guide to data entities in D365 F&O: set up import/export in Data Management, find standard entities, extend one with new fields, and build a custom entity from scratch.

Data Entities

See all posts