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JamesSeton's avatar
JamesSeton
Copper Contributor
Oct 28, 2024

Azure Devops External Users can't access project after being added

We have a private free repo that we have added external contractors to. They show up as guest in our Entra tenant and have accepted the invite. However, upon trying to reach the DevOps organisation, ...
balasubramanim's avatar
balasubramanim
Iron Contributor
Apr 01, 2025

JamesSeton 

The error you are encountering (53003 – "You don't have access to this") often indicates an Azure AD Conditional Access policy or tenant-level restriction is blocking the external B2B users, even though they have accepted the invite and appear in Entra ID.

 

1. Check Conditional Access Policies

- Go to Entra ID > Security > Conditional Access

- Ensure guests aren’t blocked or required to use compliant devices.

2. Update External Collaboration Settings

- Entra ID > External Identities

- Make sure guest users can access Microsoft 365 and Azure AD services.

3. Enable Guest Access in Azure DevOps

- Org Settings > Policies > Allow external guest access.

4. Assign Correct License

- Org Settings > Users > Assign Basic/Stakeholder license.

5. Use Sign-in Logs

- Entra ID > Monitoring > Sign-in logs

- See which Conditional Access policy is blocking access.

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