New Exchange Security Update January 2022 KB5008631

by A.K.common, Microsoft Exchange Server, securityPosted on No Comments

Today a new exchange update KB5008631 for all supported versions of exchange was released. See the original link to Exchange Team blog:https://techcommunity.microsoft.com/t5/exchange-team-blog/released-january-2022-exchange-server-security-updates/ba-p/3050699 Here are the links to download manually: Exchange Server 2013 CU23 Exchange Server 2016 CU21 and CU22 Exchange Server 2019 CU10 and CU11 They say there are some vulnerabilities but no exploit, so there is not that much pressure to …

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No new Exchange Update december 2021

by A.K.common, Microsoft Exchange Server, securityPosted on No Comments

Exchange Team just released a new announcement, there will be no CU for Exchange Servers in december 2021. Also if there are no new updates, keep your server updated! As mentioned keep your onpremises exchange servers updated, see also this link: https://techcommunity.microsoft.com/t5/exchange-team-blog/why-exchange-server-updates-matter/ba-p/2280770 If your servers are already patched enjoy pre-christmas time.

Urgent Exchange 2019/2016/2013 Security Patch November 2021 KB5007409

by A.K.common, Microsoft Exchange Server, securityPosted on 4 Comments

Another very important security patch is enrolled the last 24 hours for Exchange 2013/2016/2019. See CVE-2021-42321. This CVE is also known als Remote Code Execution vulnerability. If you want to know some more information about this Exchange Update and the vulnerabilities see this link: https://techcommunity.microsoft.com/t5/exchange-team-blog/released-november-2021-exchange-server-security-updates/ba-p/2933169 Just choose your exchange version and download this patch from …

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Exchange Online: see mailboxsize and added mobile devices with PowerShell

by A.K.common, hybrid environments office 365, Microsoft Exchange Server, PowershellPosted on No Comments

Lot of customers ask me if it is possible to get a statistic of mailbox size in Exchange Online. I say, of course it’s possible with PowerShell. Some time ago I created a short script to get sizes as output to shell. Not that usable. The last days I spent some time to create a …

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Exchange security patches history of the year 2021

by A.K.common, Microsoft Exchange Server, securityPosted on No Comments

On this site you can find important links for exchange patching: March 2021 Quarterly Exchange Updates (and the nightmare began) Released: March 2021 Quarterly Exchange Updates – Microsoft Tech Community March 2021 HAFNIUM Released: March 2021 Exchange Server Security Updates – Microsoft Tech Community April 2021 Exchange Security Updates Released: April 2021 Exchange Server Security …

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