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How to Use NsLookup To Check DKIM Record

Posted on 3rd October 2022 by Rhoderick Milne [MSFT]
Check DMARC DNS Record Using NSLookUP

There are a multitude of online tools that help diagnose issues with various mail services, but understanding what these tools actually check is valua… Read the rest “How to Use NsLookup To Check DKIM Record”

Messaging, ProTips, Security DKIM, Exchange Online, Office 365, Sender Authentication
0

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

Posted on 14th February 2022 by Rhoderick Milne [MSFT]
Teams IP Addresses Connecting to Exchange On-Premises

Planning to deploy Office 365 and integrate with your on-premises Exchange infrastructure?  Great!  While running the Exchange Hybrid Configuration Wi… Read the rest “Microsoft Teams Source IP Address Used Connecting to On-Premises Exchange”

Messaging Exchange 2016, Exchange 2019, Exchange Online, Office 365, Teams
0

The Way Things Were–EOP IP Ranges October 2018

Posted on 3rd February 2022 by Rhoderick Milne [MSFT]
EOP IP Ranges From 2018

When discussing network configuration for Office 365, there will be a series of issues and challenges that need to be addressed.  Ideally this is all … Read the rest “The Way Things Were–EOP IP Ranges October 2018”

Messaging Exchange, Exchange Online
1

Office 365 Autodiscover Lookup Process–Revisited

Posted on 12th January 2022 by Rhoderick Milne [MSFT]

Previously we looked at the Office 2010 client and how it used Autodiscover to detect Exchange Online (EXO) mailbox settings.  Outlook 2010 is no longe… Read the rest “Office 365 Autodiscover Lookup Process–Revisited”

Messaging Autodiscover, Exchange, Exchange Online, Outlook
0

Add Domain to Azure, What Is Its EXO Status?

Posted on 26th October 2021 by Rhoderick Milne [MSFT]
Add Domain To Azure AD - What Is The Domain Type in Exchange Online

A recent discussion revolved around adding domains to Azure, and how that would manifest iteslf in Office 365 and Azure.  This was a customer where on… Read the rest “Add Domain to Azure, What Is Its EXO Status?”

Messaging Azure, Exchange Online
0

Exchange Online Transport Rule Audit

Posted on 27th September 2021 by Rhoderick Milne [MSFT]
Impact Of Not Enabling ETR Audit

This is a topic that still comes up when doing email investigations.  After there has been an issue, we want to perform analysis to determine what may… Read the rest “Exchange Online Transport Rule Audit”

Messaging, Security Exchange, Exchange 2016, Exchange 2019, Exchange Online
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 t… Read the rest “Exchange Online App-Only Authentication Error AADSTS70011 Invalid Scope”

Messaging Azure, Exchange, Exchange Online, Office 365
6

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 d… Read the rest “TenantOrganizationConfig Required When Preparing Active Directory”

Messaging Exchange, Exchange 2016, Exchange 2019, Exchange Online, Office 365
0

Exchange HCW Detects “Wrong” Version

Posted on 2nd November 2020 by Rhoderick Milne [MSFT]

When running Exchange setup or the Exchange Hybrid Configuration Wizard (HCW), I always recommend looking at the version information that is shown on … Read the rest “Exchange HCW Detects “Wrong” Version”

Messaging Exchange, Exchange 2010, Exchange 2010 SP3, Exchange 2016, Exchange 2019, Exchange Online, Office 365
2

Office 365 Welcome Pages – Circa 2015

Posted on 24th April 2020 by Rhoderick Milne [MSFT]

The below are some of the older Office 365 welcome pages, thought it might be fun to make the screenshots available for reference.  They are from an o… Read the rest “Office 365 Welcome Pages – Circa 2015”

Messaging Exchange Online, Office 365

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