Category: common

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 […]

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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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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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