Hi all,
I'm trying to get the Dynamics 365 Business Central MCP (Preview) tool working in an agent (Copilot Studio), but I'm stuck on a persistent error and hoping someone here has hit this too.
The issue:
On the Tools tab of the MCP connection, I get
⚠️ Connector request failed – Couldn't retrieve the requested item
No tools ever load ("No tools available"), even though Environment, MCP Server Configuration, and Company are all correctly set.
What I've already tried
- Deleted all Business Central and MCP-related connections from Power Automate / make.powerapps.com — multiple times
- Deleted and re-added the MCP tool several times
- Created a brand-new agent and added the MCP tool again from scratch
- Waited for cache to clear (20–30+ minutes) before retrying
- Tested in Incognito mode to rule out browser/cache issues
- Changed Authentication mode to Maker
- Verified in Business Central that the MCP configuration is Active and validation succeeds on that end
Despite all of this, the tools still fail to load and I get the same "Couldn't retrieve the requested items" error every time.
Environment details:
- Business Central MCP Server Configuration: Active, validated
- Connector: Dynamics 365 Business Central MCP (Preview)
- Error: "Connector request failed – Couldn't retrieve the requested items"
Has anyone else run into this, and if so, how did you resolve it? Is this a known Preview limitation, a permissions/licensing issue, or something specific to how the MCP server config is being read on the Power Platform side?
Any pointers — or confirmation this is a known bug being tracked — would be much appreciated. Happy to share more screenshots/logs if useful.
Thanks in advance!

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