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Exchange Team Blog
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How to pause throttling and blocking of out-of-date on-premises Exchange Servers

The_Exchange_Team's avatar
The_Exchange_Team
Icon for Microsoft rankMicrosoft
Dec 12, 2023
Background In the blog post published March 2023, Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online, we explained that for security reasons, messages se...
Updated Jun 05, 2024
Version 8.0
exchange online
on premises
security
transport
troubleshooting
Nino_Bilic's avatar
Nino_Bilic
Icon for Microsoft rankMicrosoft
Dec 13, 2023

Test-RRR Data would be available only if you had servers that were impacted by throttling or blocking (you'd also see the Message Center post about it). If you do not see this, it indicates that you do not have persistently vulnerable servers with on-prem connectors connecting to Exchange Online.