Microsoft has re-released the Security Updates (SUs) for Exchange Server, addressing a critical issue that caused transport rules to stop functioning after a certain period in some environments. The re-released update, resolves the mail delivery issues affecting customers who use transport (mail flow) rules or data loss protection (DLP) rules.
Microsoft researchers observed that the Exchange Team has emphasized the importance of running the Exchange Health Checker script after installing security updates to detect common configuration issues and determine if additional steps are necessary.
