Microsoft Security | Microsoft Entra | Microsoft Entra External ID
Managing external identities to enable secure access for partners, customers, and other non-employees
B2B guest sign-in blocked with error 530035 — "Invitations blocked due to suspicious activity" on tenant PII
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 62%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
Dylan Levsey
0
Reputation points
Issue: Microsoft Entra ID B2B guest users from one external domain are unable to access the application and receive error 530035. Other guest domains appear to work normally. Please review and advise whether this tenant or domain is blocked for suspicious invitation activity.
Microsoft Security | Microsoft Entra | Microsoft Entra External ID
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