Permission & Access Issues

Fix OneDrive or SharePoint Folder Cannot Be Shared with One User

Partner Editor Oct 7, 2026 870 views

Question details

A single user cannot access a shared OneDrive or SharePoint folder despite receiving the invitation.

How to Fix OneDrive or SharePoint Folder Cannot Be Shared with One User

Product: Microsoft OneDrive and SharePoint
Device & OS: not provided
Scenario: A folder owner is attempting to share a cloud directory with multiple users within the same synchronized Microsoft 365 domain.
Observed behavior: The affected user receives a 'permission required' error message when attempting to open the shared folder link, while all other invited users can access it normally.

Before you start

Verify that you have Microsoft 365 administrator privileges, as resolving complex identity synchronization and alias issues requires access to Microsoft Entra ID.

Solution 1Recommended

Recreate Sharing Permissions Using the Primary Sign-in Address

Resolve identity mismatch errors by removing the broken sharing link and re-inviting the user using their primary Microsoft 365 address instead of an email alias.

When users have multiple email aliases attached to their account, SharePoint or OneDrive may fail to authenticate the invitation link properly if it was sent to an alias. Using the primary User Principal Name (UPN) ensures seamless authentication.

Open folder access settings

Navigate to the shared OneDrive or SharePoint folder, click the three-dot menu icon next to it, and select 'Manage Access'.

Remove existing permissions

Locate the affected user in the 'People with access' list. Click their name and select 'Stop sharing' or explicitly remove their specific permissions.

Verify primary sign-in address

Check your organization's global address list or ask your IT administrator to confirm the user's primary sign-in address (UPN) rather than an alternate alias.

Send a new invitation

Click 'Share' again, carefully type or paste the verified primary email address, select the appropriate permission level, and send the new invitation.

Recreate Sharing Permissions Using the Primary Sign-in Address

Verification Tip: Ask the affected user to open the newly generated link in an Incognito or Private browsing window to ensure cached browser credentials do not interfere with the new permissions.

Solution 2

Review Identity and Sync Status in Microsoft Entra ID

Ensure the affected user account is fully synchronized and properly configured within your organization's Microsoft 365 directory.

Solution 3

Submit a Microsoft 365 Support Ticket

If local troubleshooting fails, escalate the issue to Microsoft Support for a deep tenant-level investigation.

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Frequently Asked Questions

Why does a user get a 'permission required' error on a SharePoint folder they were invited to?

This typically happens when the sharing invitation was sent to an email alias rather than the user's primary Microsoft 365 sign-in address. The system fails to map the alias invitation to the user's actual login credentials, resulting in an authentication mismatch.

How can I find a user's primary Microsoft 365 sign-in address?

A Microsoft 365 administrator can view a user's primary sign-in address (User Principal Name) by checking their active profile under 'Users' > 'Active users' in the Microsoft 365 Admin Center, or by inspecting their account in Microsoft Entra ID.

Do I need administrator rights to fix this OneDrive sharing issue?

While a folder owner can easily stop sharing and generate a new invitation link using the correct email address, investigating underlying identity synchronization errors or checking email aliases in Microsoft Entra ID requires Microsoft 365 administrator privileges.

Will clearing browser cookies fix the folder access issue?

If the underlying cause is an invitation sent to a mismatched email alias, clearing cookies will not fix it. However, after the administrator recreates the sharing link with the correct primary address, having the user clear cookies or open the link in a Private window ensures that old, cached credentials do not interfere.

Document & File Issues