Practical PowerShell Series: Part 3
EighTwOne
by Michel de Rooij
3w ago
When working with PowerShell and objects such as User in Entra ID or mailboxes in Exchange Online, you might quickly run into scenarios where you might want to repeat a set of instructions for multiple objects. This can happen for ..read more
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The Practical 365 Podcast S4 E17
EighTwOne
by Michel de Rooij
1M ago
It took a little over 6 and a half years since the last episode of The UC Architects podcast, but I was finally reunited with Steve Goodman. This time it was to join him and Paul Robichaux to record an ..read more
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Practical PowerShell Series: Part 2
EighTwOne
by Michel de Rooij
2M ago
When working on PowerShell scripts, there might come a point where a set of instructions is – in small or larger form – a repeat of code that occurs elsewhere in the script. Or it might be code you used ..read more
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Security Updates Exchange 2016-2019 (Mar2024)
EighTwOne
by Michel de Rooij
2M ago
The Exchange product group released March 2024 updates for Exchange Server 2016 and 2019. The vulnerabilities addressed in these Security Updates for Exchange Server are: Vulnerability Category Severity Rating CVE-2024-26198 Remote Code Execution Important CVSS:3.1 8.8 / 7.7 The Security ..read more
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Professional PowerShell Series
EighTwOne
by Michel de Rooij
3M ago
“How do I start using scripting?” or “How do I turn this piece of code into a fully working script?” These are just some of the questions that reach me through mail or during events. Even after 17 years since ..read more
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Exchange 2019 CU14 (2024 H1)
EighTwOne
by Michel de Rooij
3M ago
The Exchange Team released Exchange Server 2019 Cumulative Update H1 2024, or CU14. Apart from the fixes, this Cumulative Update for Exchange 2019 contains the following changes: Unfortunately, TLS 1.3 support has been moved to CU15. CVE-2024-21410Enabling Extended Protection also ..read more
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Security Updates Exchange 2016-2019 (Nov2023)
EighTwOne
by Michel de Rooij
6M ago
The Exchange product group released November updates for Exchange Server 2016 and 2019. The vulnerabilities addressed in these Security Updates for Exchange Server are: Vulnerability Category Severity Rating CVE-2023-36439 Remote Code Execution Important CVSS:3.1 8.0 / 7.0 CVE-2023-36050 Spoofing Important ..read more
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Security Updates Exchange 2016-2019 (Oct2023)
EighTwOne
by Michel de Rooij
8M ago
The Exchange product group released October updates for Exchange Server 2016 and 2019. The vulnerabilities addressed in these Security Updates for Exchange Server are: Vulnerability Category Severity Rating CVE-2023-36726 Elevation of Privilege Important CVSS:3.1 7.8 / 6.8 CVE-2023-36780 Remote Code ..read more
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Hosting MTA-STS policy using GitHub Pages
EighTwOne
by Michel de Rooij
8M ago
The MTA-STS policy (MTA Strict Transport Security) is to prevent Man-In-The-Middle attacks by publishing authorized mail servers and prevent TLS downgrade attacks (Opportunistic TLS), when both parties support MTA-STS. MTA-STS is easier to implement over DANE with DNSSEC, which is ..read more
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Security Updates Exchange 2016-2019 (Aug2023)
EighTwOne
by Michel de Rooij
10M ago
Note: The are reports of this SU not preserving ECP web.config changes. To be sure, document / backup these before applying the SU. Will update as soon we receive updates to this story. The Exchange product group released August updates ..read more
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