Some days ago I got a friendly mail from my hosting company Host Europe, they found some malware inside my wordpress database (not in my blog, but the regular website it-koehler.com. Because of the malicious link they are going to block my complete website (including blog.it-koehler.com). See the mail: I thought: “Holy sh… whats going …
Read more “it-koehler.com hacked! What to do next? Plugin to blame!”
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 …
Read more “Exchange Online: see mailboxsize and added mobile devices with PowerShell”
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 …
Read more “Exchange security patches history of the year 2021”
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.
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) …
Read more “Exchange Clean Logs ETL 2013/2016/2019 with detailed logging”
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