How to Fix Power Automate ErrorItemNotFound When Creating Outlook Events
Question details
The user encounters an ErrorItemNotFound message in Power Automate while attempting to create an Outlook event for a specific user.
- Product
- Power Automate / Outlook
- Device & OS
- not provided
- Scenario
- Running a Power Automate flow to create an Outlook calendar event for another user in the organization.
- Observed behavior
- The flow fails with "ErrorItemNotFound: The specified object was not found in the store" for a specific user, despite working for others and the user existing in Microsoft Graph.
Ensure you have the exact User Principal Name (UPN) or Object ID of the target user, and verify that their Exchange Online mailbox is fully provisioned and active.
Verify Mailbox Permissions and Connection Credentials
Check if the account running the flow has the necessary permissions to access the target user's calendar.
Power Automate uses the credentials of the account connected to the Outlook action. If this account does not have delegate or editor permissions for the target user's calendar, the flow will fail to find the store.
Log into Power Automate, navigate to 'My flows', and open the flow that is failing.
Locate the 'Create event' action. Click the three dots (More commands) in the upper right corner of the action box to view the active connection.
Ensure the account listed in the connection has delegate access to the target user's calendar. If not, either grant permissions in Outlook or change the connection to an authorized service account.
Save your changes and run a manual test to confirm the event is successfully created.
Validate Target User ID and Calendar Provisioning
Ensure the user identifier used in the flow is correct and that the target user has a fully initialized Outlook calendar.
Seek Assistance in the Power Automate Community
If permissions and IDs are correct, there might be a deeper connector issue requiring specialist help.
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Frequently Asked Questions
Why does Power Automate say the specified object was not found?
This usually occurs when the flow tries to access a mailbox, calendar, or folder that either doesn't exist, hasn't been fully initialized, or the account running the connection lacks the required permissions to view it.
Does a user need an Exchange Online license for Power Automate to create an event?
Yes. The target user must have an active Exchange Online license and an initialized mailbox for Power Automate to successfully locate their calendar and create an Outlook event for them.
How do I grant delegate access for an Outlook calendar?
The calendar owner can grant delegate access by going to Outlook settings, selecting 'Calendar', navigating to 'Shared calendars', and adding the flow connection's service account with edit or delegate permissions.
