如何在企业级范围内将 SharePoint 的权限与 Dynamics 365 进行同步

Dynamics 365 and SharePoint do not share a security model. Integrating them for document storage links records to folders, it does not link Dynamics 365 security roles to SharePoint permissions.  

The result: a user restricted to their own accounts in Dynamics 365 can open SharePoint directly and see every account's documents in the organization. 

For a five-person team, that's an inconvenience. For an enterprise with thousands of users, multiple business units, and GDPR, NIST, HIPAA, or PCI DSS obligations, it's an unmanaged compliance liability sitting inside your document repository right now. 

This guide is for the second group. It covers what actually closes this gap at scale, and why the deployment architecture of the tool you choose determines whether the fix holds up past your first hundred users.

At enterprise scale, syncing SharePoint permissions with Dynamics 365 requires a dedicated replication solution that continuously reads the Dynamics 365 security model, roles, business unit hierarchy, users, and teams, and enforces the equivalent permissions in SharePoint in real time. Manual fixes and Power Automate flows don't hold up past a single entity. 

The deciding factor is deployment model, not business unit count, which any solution reads natively from a single instance. The real ceiling is multiple SharePoint sites and multi-tenant environments: Dynamics 365's native connector only supports one default site, and SharePoint must share a tenant with Dynamics 365, so a solution confined to a single CRM instance can't span either without a separate deployment for each. 

Smaller organizations can sometimes get away with manual fixes or a Power Automate flow because the variables are limited: one entity, one business unit, a few dozen users. Enterprises don't have that luxury. You're managing: 

• Multiple business units and parent-child hierarchies, where access depends on organizational structure, not just individual roles 

• Manager and position-based hierarchy security, which most lightweight sync approaches can't replicate accurately 

• Thousands of users and documents, which strains SharePoint's own permission-scope limits if permission structures aren't built to manage them 

• Multi-tenant or multi-region environments, where a single CRM-embedded tool has to operate within Dataverse's own resource constraints for every tenant it touches 

• Auditable compliance requirements, where "we think permissions are aligned" is not an acceptable answer to a GDPR or NIST audit 

• The need to manage all of this continuously, in real time, not through a batch job or scheduled sync that leaves a window between when access changes and when it's actually enforced 

Two approaches are commonly proposed for this problem, and neither is built for the above 

Manual permission management doesn't scale. Every role change, team reassignment, or new hire requires a corresponding manual update to SharePoint. As soon as more than a handful of people are responsible for making those updates, it stops functioning as a real compliance control. There's no audit trail connecting a CRM change to the SharePoint update it should have triggered, so no one can prove access was ever actually aligned. 

Custom Power Automate flows work for a single entity with a simple structure but break down under enterprise conditions: flows run asynchronously, so concurrent permission changes across large user bases can desync; there's no native trigger for team membership changes; and every additional entity or business unit multiplies the custom logic your team has to build, test, and maintain indefinitely. It becomes an internal software project you didn't budget for. 

Other solutions in the market, are installed and work directly inside Dynamics 365 as a managed CRM solution, with no alternative deployment path. That's a fair option if your organization runs a single, straightforward Dataverse environment. That's the gap CB Dynamics 365 to SharePoint Permissions Replicator was built too close.