Windows 10: Exchange DB GUIDs missing from registry on one of three DAG members

Hi I am currently supporting an three node 2016 Exchange DAG and I was accessing the registry on all three to change the default DB size for our DBs.So in each exchange Server I should have an entry for each DB GUID hereHKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeISMy Primary exch1 has them all when I add the reg change to primary it populates to one of my secondary's but not the other.And this secondary in the DAG has only two out of the four GUIDs it should be aware of.But everything looks happy in regard to the DAG and health.So wondering can I create by hand the missing

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Exchange 2016 with two servers in a DAG. Cannot receive encrypted email from one outside vendor. Domain name empower.com

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Registry entries missing

Hi Arvid,

Thank you for posting your query in Microsoft Community.

I understand the inconvenience caused. I will be glad to assist you with this.

This might be due to the registry entries getting corrupted or missing. I would suggest you to click the article given below and try the 3rd step from the article first. If that doesn't work, continue with the other suggested troubleshooting steps one after
the other.

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Let us know the result. We will be glad to help if you need further assistance.