Remediate SWEET32 — Disable TLS_RSA_WITH_3DES_EDE_CBC_SHA For Windows Server 2012 R2
Admins have become very aware of the need to adjust the Schannel protocol settings for TLS to enable TLS 1.2 and to disable older versions. Howe…
Defender Portal Enable Audit – Is That The Unified Audit Log?
This was a question from a recent customer engagement: Why is the Microsoft Defender portal asking me to turn on the Unified Audit Log when I alr…
How To Use Nslookup To Check DMARC Record
One of my customers wanted to verify their Domain Based Message Reporting Conformance (DMARC) record, and followed the post How To Use Nslooku…
Exchange 2019 CU12 Released
Exchange 2019 CU12 has been released to the Microsoft Volume Licensing Center and the public Microsoft Download site! Exchange 2019 has a dif…
Exchange 2016 CU23 Released
Exchange 2016 CU23 has been released to the Microsoft download centre! Exchange 2016 has a different servicing strategy than Exchange 2007/…
Microsoft Defender for Office 365 Blog Compiled links
Below are a series of links to the main Microsoft Defender for Office 365 blog. Shortcuts added here as this is one of my shared bookmarks.
Note t…
Microsoft Teams Source IP Address Used Connecting to On-Premises Exchange
Planning to deploy Office 365 and integrate with your on-premises Exchange infrastructure? Great! While running the Exchange Hybrid Conf…
Move FSMO Roles Using PowerShell
Rather than kicking it old school and using the classic tools such as AD Users & Computers (dsa.msc) to move FSMO roles, PowerShell makes it …
MDI Install Error 0x80070643 Windows Server 2019
Install the Microsoft Defender for Identity (MDI) sensor onto a newly built DC? Easy you say, and that should only take 5 minutes. Well, if th…
The Way Things Were–EOP IP Ranges October 2018
When discussing network configuration for Office 365, there will be a series of issues and challenges that need to be addressed. Ideally this …