Microsoft Exchange Service Host service is constantly restarting

helpmepcs used Ask the Experts™
I am Running Exchange Server 2016 in a Hyper-V environment.  KB4340731 failed installation for CU9.  After correcting other issues, mail flow is working, but I am not able to access management either through Administrative Center or through EMS.  The Microsoft Exchange Service Host service is constantly restarting.
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Edward van BiljonMessaging and Collaboration Technical Lead (Exchange MVP & MCT)


Is this a DAG or standalone machine? What error did you get when it failed to install? Did you try from an elevated prompt or through windows update?
Saif ShaikhServer engineer

Please post the complete error for ems and admin center.
we were able to correct the issue by upgrading the server to CU10
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