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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1 Million clicks THANK YOU!!

by A.K.commonPosted on No Comments

Today is a wonderful day. My blog reached the 1 million click counter since 2014. Thank you very much for supporting me and my work. I’ll keep going on. Thank you.

Exchange Clean Logs ETL 2013/2016/2019 with detailed logging

by A.K.common, Microsoft Exchange ServerPosted on No Comments

In old fashoined exchange onpremises installations, lot of people face an issue exchange does not accept new mails, because of lack of ressources. So how to cleanup the drive where exchange is installed? Some days ago the good old technet gallery offered a small script to manage this task. But now the technet gallery (R.I.P) …

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Bulk change UserPrincipalName in Active Directory via PowerShell

by A.K.common, Microsoft Active Directory, PowershellPosted on 4 Comments

Getting things ready for cloud migration or anything different, lot’s of companies need to change their users UPNs. As consultant I had to do that several times, therefore I wrote some lines of PowerShell code, to manage this. It’s not that difficult, but for documentation my script also creates a CSV file with the UPNs …

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Exchange 2010 / 2013 / 2016 DAG maintenance tool

by A.K.common, Microsoft Exchange ServerPosted on 2 Comments

Some days ago a teammate had to schedule a maintenance for two Exchange Server in DAG mode. I said there had been a great tool putting one of this servers in maintenance. Just googling some minutes, but did not find any project in github anymore. Remember the useful tool? After some time I found the …

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