Im trying to get my outlook email trigger, did all the OAuth credentials, got the admin to set the permissions and i keep getting this error:
{
“errorMessage”: “The resource you are requesting could not be found”,
“errorDescription”: “The mailbox is either inactive, soft-deleted, or is hosted on-premise.”,
“errorDetails”: {
“rawErrorMessage”: [
“404 - {"error":{"code":"MailboxNotEnabledForRESTAPI","message":"The mailbox is either inactive, soft-deleted, or is hosted on-premise."}}”
],
“httpCode”: “404”
},
“n8nDetails”: {
“nodeName”: “Microsoft Outlook Trigger”,
“nodeType”: “n8n-nodes-base.microsoftOutlookTrigger”,
“nodeVersion”: 1,
“time”: “1/15/2026, 12:01:58 PM”,
“n8nVersion”: “2.2.4 (Self Hosted)”,
“binaryDataMode”: “filesystem”,
“stackTrace”: [
“NodeApiError: The resource you are requesting could not be found”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1513:10)“,
" at processTicksAndRejections (node:internal/process/task_queues:105:5)”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1813:11)“,
" at PollContext.microsoftApiRequest (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/v2/transport/index.ts:52:10)”,
" at PollContext.getPollResponse (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/trigger/GenericFunctions.ts:60:19)“,
" at PollContext.poll (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/MicrosoftOutlookTrigger.node.ts:66:19)”,
" at WorkflowExecute.executePollNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1093:19)“,
" at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1244:11)”,
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1662:27",
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:2297:11"
]
}
}
Describe the problem/error/question
What is the error message (if any)?
{
“errorMessage”: “The resource you are requesting could not be found”,
“errorDescription”: “The mailbox is either inactive, soft-deleted, or is hosted on-premise.”,
“errorDetails”: {
“rawErrorMessage”: [
“404 - {“error”:{“code”:“MailboxNotEnabledForRESTAPI”,“message”:“The mailbox is either inactive, soft-deleted, or is hosted on-premise.”}}”
],
“httpCode”: “404”
},
“n8nDetails”: {
“nodeName”: “Microsoft Outlook Trigger”,
“nodeType”: “n8n-nodes-base.microsoftOutlookTrigger”,
“nodeVersion”: 1,
“time”: “1/15/2026, 12:01:58 PM”,
“n8nVersion”: “2.2.4 (Self Hosted)”,
“binaryDataMode”: “filesystem”,
“stackTrace”: [
“NodeApiError: The resource you are requesting could not be found”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1513:10)“,
" at processTicksAndRejections (node:internal/process/task_queues:105:5)”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1813:11)“,
" at PollContext.microsoftApiRequest (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/v2/transport/index.ts:52:10)”,
" at PollContext.getPollResponse (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/trigger/GenericFunctions.ts:60:19)“,
" at PollContext.poll (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/MicrosoftOutlookTrigger.node.ts:66:19)”,
" at WorkflowExecute.executePollNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1093:19)“,
" at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1244:11)”,
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1662:27",
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:2297:11"
]
}
}
Please share your workflow
Its the first trigger node, all other next nodes are ok.
Share the output returned by the last node
{
“errorMessage”: “The resource you are requesting could not be found”,
“errorDescription”: “The mailbox is either inactive, soft-deleted, or is hosted on-premise.”,
“errorDetails”: {
“rawErrorMessage”: [
“404 - {"error":{"code":"MailboxNotEnabledForRESTAPI","message":"The mailbox is either inactive, soft-deleted, or is hosted on-premise."}}”
],
“httpCode”: “404”
},
“n8nDetails”: {
“nodeName”: “Microsoft Outlook Trigger”,
“nodeType”: “n8n-nodes-base.microsoftOutlookTrigger”,
“nodeVersion”: 1,
“time”: “1/15/2026, 12:01:58 PM”,
“n8nVersion”: “2.2.4 (Self Hosted)”,
“binaryDataMode”: “filesystem”,
“stackTrace”: [
“NodeApiError: The resource you are requesting could not be found”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1513:10)“,
" at processTicksAndRejections (node:internal/process/task_queues:105:5)”,
" at PollContext.requestWithAuthentication (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/node-execution-context/utils/request-helper-functions.ts:1813:11)“,
" at PollContext.microsoftApiRequest (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/v2/transport/index.ts:52:10)”,
" at PollContext.getPollResponse (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/trigger/GenericFunctions.ts:60:19)“,
" at PollContext.poll (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-nodes-base@file+packages+nodes-base_@aws-sdk+credential-providers@3.808.0_asn1.js@5_8da18263ca0574b0db58d4fefd8173ce/node_modules/n8n-nodes-base/nodes/Microsoft/Outlook/MicrosoftOutlookTrigger.node.ts:66:19)”,
" at WorkflowExecute.executePollNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1093:19)“,
" at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1244:11)”,
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:1662:27",
" at /usr/local/lib/node_modules/n8n/node_modules/.pnpm/n8n-core@file+packages+core_@opentelemetry+api@1.9.0_@opentelemetry+sdk-trace-base@1.30_ec37920eb95917b28efaa783206b20f3/node_modules/n8n-core/src/execution-engine/workflow-execute.ts:2297:11"
]
}
}
Information on your n8n setup
- n8n version:2.2.4
- Database (default: SQLite):
- n8n EXECUTIONS_PROCESS setting (default: own, main):
- Running n8n via (Docker, npm, n8n cloud, desktop app): docker on a remote server at digitalocean
- Operating system: Mac OS Sequoia
