Exchange SU January 2023 with PowerShell Serialization Payload Signing
IT-Koehler-Blog
by A.K.
3w ago
Microsoft released a new security Update for Exchange in January 2023. Installation is the known process using same methods as former updates. One difference comparing former updates is that Exchange 2016 CU23 is exclusivly supported, so upgrade your old exchanges. Some information about the update can be found here. Download links can be found here: … Read more "Exchange SU January 2023 with PowerShell Serialization Payload Signing" Articel Exchange SU January 2023 with PowerShell Serialization Payload Signing available first on IT koehler blog ..read more
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Merry Christmas and a happy new year 2023
IT-Koehler-Blog
by A.K.
1M ago
another year with lot’s of new impressions has gone. At this point I want to say thank you for all the comments and support on this blog. I wish you a merry Christmas and a happy new year. Hope to see you again in 2023. Articel Merry Christmas and a happy new year 2023 available first on IT koehler blog ..read more
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Exchange 2016 / 2019 security update November 2022 KB5019758
IT-Koehler-Blog
by A.K.
3M ago
Microsoft released another important Exchange security update for Exchange 2013 /2016 /2019. There are some things you have to know about that update. First of all: Zero day vulnerability september is fixed with this update. See the official article here and the download links: Let’s have a look the FAQs they are really useful. Microsoft … Read more "Exchange 2016 / 2019 security update November 2022 KB5019758" Articel Exchange 2016 / 2019 security update November 2022 KB5019758 available first on IT koehler blog ..read more
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Internet Explorer 11 retirement February 2023 – the end in sight
IT-Koehler-Blog
by A.K.
3M ago
People who follow news from Windows 10 already knew that Internet Explorer 11 is retired and will be disabled in February 2023. More precisly shutdown is with security update February the 14th 2023 so this is a little valentine for all admins (maybe not). in this article I’ll describe the most relevant informations you should … Read more "Internet Explorer 11 retirement February 2023 – the end in sight" Articel Internet Explorer 11 retirement February 2023 – the end in sight available first on IT koehler blog ..read more
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Exchange Security Update October 2022 KB5019077
IT-Koehler-Blog
by A.K.
4M ago
Microsoft released a new security patch for Exchange 2013/2016/2019 some hours ago. Procedure for installation is the well known one, like the last security updates. This link is the official Exchange Team Blog. NOTE: Those who thought this patch may fix the zero day issue from september 2022, I can tell you; It does NOT. … Read more "Exchange Security Update October 2022 KB5019077" Articel Exchange Security Update October 2022 KB5019077 available first on IT koehler blog ..read more
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RSS Teams notification via power automate flow
IT-Koehler-Blog
by A.K.
4M ago
In this article I want to describe how to collect information with Microsoft Teams and Power Automate via RSS feed. An older blogpost was released some time ago about mail notification with Power Automate. So here is another part. First I created a knowledge base Team for collection informations with seperated channels sorted by subject … Read more "RSS Teams notification via power automate flow" Articel RSS Teams notification via power automate flow available first on IT koehler blog ..read more
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AzureAD PowerShell Check if user is member of group
IT-Koehler-Blog
by A.K.
5M ago
Today I want to show a small function which just checks whether an user is member of a group or not. This may be helpful if you want to check user inside a azure ad powershell script. Normally the script (if all parameters are set correctly) the script return TRUE or FALSE. Whats the ability … Read more "AzureAD PowerShell Check if user is member of group" Articel AzureAD PowerShell Check if user is member of group available first on IT koehler blog ..read more
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M365 Certified: Messaging Administrator Associate renewed
IT-Koehler-Blog
by A.K.
5M ago
Shortly before going on vacation I renewed my M365 Certified: Messaging Administrator Associate certification. There were no additional costs. Today I got this mail from Microsoft: With this link you can find all related information about re-certification https://docs.microsoft.com/en-us/certifications/renew-your-microsoft-certification Passed: The next renewal is located in 2024 ? So now I can start vacation with a … Read more "M365 Certified: Messaging Administrator Associate renewed" Articel M365 Certified: Messaging Administrator Associate renewed available first on IT koehler blog ..read more
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Exchange security update August 2022 (KB5015322)
IT-Koehler-Blog
by A.K.
6M ago
Even on holiday admins have to monitor patches from system inside their environment. Today Microsoft Exchange Team released a new Exchange security update SU August 2022 (KB5015322).This one is not a CU but “only” SU, which needs some attention. See some information about CVEs: As you can see there are some CVEs which are marked … Read more "Exchange security update August 2022 (KB5015322)" Articel Exchange security update August 2022 (KB5015322) available first on IT koehler blog ..read more
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Microsoft product going End of Life 2022 /2023
IT-Koehler-Blog
by A.K.
7M ago
Hi everyone, lot of companies rely on old operating systems, but one day they should be replaced by newer ones. Keep that in mind and plan your migration in time. Today I get the mail from Exchange Team which reminds the upcoming retirement of Exchange 2013. Operating System Windows Server 2012/2012R2 Operating System Windows 8.1 … Read more "Microsoft product going End of Life 2022 /2023" Articel Microsoft product going End of Life 2022 /2023 available first on IT koehler blog ..read more
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