Share via

Invitations are blocked for this directory due to suspicious activity. Please contact Microsoft support for help.

Christian Vision Sri Lanka 20 Reputation points
2026-04-06T06:15:31.9133333+00:00

Please configure B2B collaboration settings correctly and troubleshoot first, "https://aka.ms/b2b-troubleshoot". Error from Entra B2B: At least one invitation failed. Error: ResponseStatusNotOK, message: Invitations are blocked for this directory due to suspicious activity. Please contact Microsoft support for help.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
Answer accepted by question author
  1. Rukmini 35,485 Reputation points Microsoft External Staff Moderator
    2026-04-10T05:54:43.56+00:00

    Hello Christian Vision Sri Lanka

    Based on the error message you received, it appears that invitations are blocked on your account due to suspicious activity.

    Our internal team has resolved this issue and your account is now unblocked.

    You can check if you were able to access your account.

    We hope you find this information useful. If you have any questions, please do not hesitate to contact us. We will be happy to help you.

    If you are satisfied with this answer, click "Accept Answer" and "Yes" to let us know if it was helpful. If you have any other questions, please do not hesitate to contact us.

    1 person found this answer helpful.
    0 comments

0 additional answers

Sort by: Most helpful
Most helpful Newest Oldest

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.