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Security update for exchange server 2019 CU7 (KB5000671) - Error 0x80070643

Dear All,


           I have a server 2019 standard with exchange 2019 installed, and in recent window updates i received below error, any help would be appreicated 


Security update for exchange server 2019 CU7 (KB5000671) - Error 0x80070643 



Keith 

SecurityExchange

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keith li
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keith li
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ASKER

Dear All,


              i did the following, but still no luck, any more method ?


dism /online/cleanup-image/startcomponentcleanup

net stop wuauserv
net stop bits
net stop cryptsvc
ren c:\windows\SoftwareDistribution SoftwareDistribution.bak
Ren C:\Windows\System32\catroot2 Catroot2.bak
net start wuauserv
net start bits
net start cryptsvc


Keith
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Seth Simmons
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I would skip that and install CU10 with the 5004780 update
CU7 is a year old and with all of the issues the last 6+ months, your system is at risk
backup everything first
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DP230
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Can you restore from last backup?
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keith li
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ASKER

finally I have restored from veeam backup, I will try to upgraded to cu10 instead now
Since you cannot uninstall the CU7 to revert to an earlier version of Exchange Server 2019, if you want to uninstall this cumulative update package, then you need to remove the Exchange Server 2019 server, then You could try to restart the server and check again.

You can either remove the old server from AD and install a new one with setup.exe /recover or finish the install regularly and move the database and mount it using dial-tone recovery. Also, create a new database and move all the mailboxes to it. Redo virtual directories. Remove the old DB moved from the old server.
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Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

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