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ASR Rules block launching Teams meetings from Outlook
After deploying the security baselines which enables the ASR rule 'Block Office communication application from creating child processes' (26190899-1602-49E8-8B27-EB1D0A1CE869) users are no longer abl...
Thanks for your reply. We're running E5 on these devices. It is occurring on multiple machines. They are all 2004.
Tom13984 No problems. I haven't encountered this issue. I tested the rule and opened a Teams-meeting in Outlook on a Windows 2004 + with E5. Maybe it's related to your office-patch level somehow? Do you run O365 C2R SAC? If I were you I would open a case to Microsoft, this can't be expected behaviour.
Anyway, when you have E5 you can exclude stuff here: https://security.microsoft.com/asr?viewid=exclusions
https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/customize-attack-surface-reduction