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Defender Portal Enable Audit – Is That The Unified Audit Log?

Posted on 27th May 2022 by Rhoderick Milne [MSFT]

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 already have that enabled?…

Security Office 365, Security
0

How To Use Nslookup To Check DMARC Record

Posted on 16th May 2022 by Rhoderick Milne [MSFT]

One of my customers wanted to verify their Domain Based Message Reporting Conformance (DMARC) record, and followed the post How To Use Nslookup To Check DNS TXT Record but ran …

Messaging, Security DNS, Office 365, Windows
0

Microsoft Defender for Office 365 Blog Compiled links

Posted on 18th February 2022 by Rhoderick Milne [MSFT]

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 that some links …

Messaging, Security Defender for Office 365, Office 365, Security
0

Microsoft Teams Source IP Address Used Connecting to On-Premises Exchange

Posted on 14th February 2022 by Rhoderick Milne [MSFT]

Planning to deploy Office 365 and integrate with your on-premises Exchange infrastructure?  Great!  While running the Exchange Hybrid Configuration Wizard (HCW) will be one of the highlights it should be …

Messaging Exchange 2016, Exchange 2019, Exchange Online, Office 365, Teams
5

Sign-In Error 5000811 — Unable to verify token signature. The signing key Identifier Does Not Match Any Valid Registered Keys

Posted on 29th November 2021 by Rhoderick Milne [MSFT]

The error message "Sorry, that didn’t work. Please go back to office.com and try again” is probably one of the most vague that I've seen.  It's up there with "please …

Security AD FS, Office 365
0

Does Manually Running Azure AD Connect Change Schedule?

Posted on 19th November 2021 by Rhoderick Milne [MSFT]

Despite the current versions of Azure AD Connect running the main synchronisation task every 30 minutes, there are still times when we want to force the task.  As a result …

Security AAD Connect, Office 365
4

AD FS Web Application Proxy Re-Establish Proxy Trust

Posted on 16th November 2021 by Rhoderick Milne [MSFT]

In the Tailspintoys environment the AD FS Proxy was offline for month.  It was unable to contact the AD FS server on the internal network, and this allowed the short …

Security AD FS, Office 365
0

Exchange Online App-Only Authentication Error AADSTS70011 Invalid Scope

Posted on 17th May 2021 by Rhoderick Milne [MSFT]

As more people are starting to use the Exchange Online V2 module (yay!), there are some new and different issues appearing.

In this case, the command to connect to the …

Messaging Azure, Exchange, Exchange Online, Office 365
3

TenantOrganizationConfig Required When Preparing Active Directory

Posted on 10th May 2021 by Rhoderick Milne [MSFT]

When running /PrepareSchema in an Exchange organisation with an existing Exchange Hybrid deployment you may run into an error which states:

"A hybrid deployment with Office 365 has been detected. …

Messaging Exchange, Exchange 2016, Exchange 2019, Exchange Online, Office 365
3

Unable To Install PowerShell Modules – Unable To Download From URI Error

Posted on 10th November 2020 by Rhoderick Milne [MSFT]

When you try to install a PowerShell module or connect to the PowerShell Repository you may get the below error messages:

WARNING: Unable to download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to …

ProTips, Security Azure, Office 365, PowerShell, Tips N Tricks

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