Problem in node ‘Microsoft Outlook Create Draft‘ Unable to sign without access token

[Antonin29]

Hi guys,

I am trying to connect Outlook and I have this problem.

Item Index

0

Node type

n8n-nodes-base.microsoftOutlook

Node version

2 (Latest)

n8n version

1.74.3 (Self Hosted)

Time

03/02/2025 10:39:29

Stack trace

NodeApiError: Unable to sign without access token at ExecuteContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/NodeExecuteFunctions.js:1297:19) at ExecuteContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/NodeExecuteFunctions.js:1480:20) at ExecuteContext.microsoftApiRequest (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Microsoft/Outlook/v2/transport/index.js:32:16) at ExecuteContext.execute (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Microsoft/Outlook/v2/actions/draft/create.operation.js:225:26) at ExecuteContext.router (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Microsoft/Outlook/v2/actions/router.js:66:36) at ExecuteContext.execute (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Microsoft/Outlook/v2/MicrosoftOutlookV2.node.js:16:16) at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/WorkflowExecute.js:632:19) at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/WorkflowExecute.js:872:51 at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/WorkflowExecute.js:1206:20

[n8n]

It looks like your topic is missing some important information. Could you provide the following if applicable.

• n8n version:
• Database (default: SQLite):
• n8n EXECUTIONS_PROCESS setting (default: own, main):
• Running n8n via (Docker, npm, n8n cloud, desktop app):
• Operating system:

[aya]

Hi @Antonin29,

Welcome to the community

Tip for sharing your workflow in the forum

Pasting your n8n workflow

---

Ensure to copy your n8n workflow and paste it in the code block, that is in between the pairs of triple backticks, which also could be achieved by clicking </> (preformatted text) in the editor and pasting in your workflow.

```
<your workflow>
```

Make sure that you’ve removed any sensitive information from your workflow and include dummy data or pinned data as much as you can!

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The error seems to be caused by an authentication failure or misconfiguration in the Microsoft Outlook API node, could you check that you have the correct permissions for the Outlook node? Microsoft credentials | n8n Docs