Microsoft Exchange Service Host service is constantly restarting

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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helpmepcsAsked:
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Edward van BiljonMessaging and Collaboration Technical Lead (Exchange MVP)Commented:
Hi

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?
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Saif ShaikhServer engineer Commented:
Please post the complete error for ems and admin center.
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helpmepcsAuthor Commented:
we were able to correct the issue by upgrading the server to CU10
Thank you
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