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How to leverage (multiple) migration endpoints to speed up migrations to Exchange Online

Last week, at Microsoft's Tech Summit in Amsterdam, I gave a talk about running Exchange Hybrid connections over the long term. In that session, I... Read More
Microsoft releases new “Tenant Restriction” capability

A few days ago, Microsoft announced the General Availability of the "Tenant Restriction" capability. Although I have not been able to play with it so... Read More
“Conference season” is about to start!

Every year in September, right after the summer holidays, there is an unofficial start of a new "work season". For some this unofficial start moment comes... Read More
Exchange Virtual Directory HTML Report

Update 12/09/2016: script updated to version 1.8: Included support for Exchange 2016 CU2+ Made some minor changes to the code + output now shows a message... Read More
A closer look at the “Minimal Hybrid Configuration” option

Just a few weeks ago, Microsoft announced a new feature in its line-up of hybrid Exchange capabilities: the Minimal Hybrid Configuration option. With the introduction... Read More
Exchange Hybrid Deployments and cross-premises Full Access permissions

Nothing but excellent news in the hybrid Exchange realm these days! Microsoft recently updated the support statement for cross-premises permissions in a hybrid deployment. As of... Read More
Selective authentication for (sub-)domains in Office 365

Office 365 provides various authentication options, such as cloud-IDs, Password Hash Synchronization or federated identities. Leaving out the specifics on how each of these options... Read More
Azure AD Synchronization HTML Report

In 2013, Exchange Server MVP Mike Crowley wrote a script which would interactively report on the Office 365 Directory Synchronization tool. In 2014, Mike and I... Read More
Hybrid Configration Wizard fails with error ‘Mail Flow Default Receive Connector cannot be found on server…’

Recently, I got asked to assist with a Hybrid Configuration Wizard which was failing with the following error message: Updating hybrid configuration failed with error... Read More
Help! Where do I put my Hybrid server?

As part of a hybrid Exchange server deployment, you also deploy the so-called Hybrid Server(s). The name itself might be a little misleading though. After... Read More

05/04/201805/04/2018

How to leverage (multiple) migration endpoints to speed up migrations to Exchange Online

Last week, at Microsoft's Tech Summit in Amsterdam, I gave a talk about running Exchange Hybrid connections over the long term. In that session, I talked about securing a hybrid deployment and – somewhat related - how to best and securely publish migration endpoints to the Internet. Following that session, someone reached out to me... Read More

16/03/201821/03/2018

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Messages more marked as spoofed (and moved to Junk e-mail) in Office 365? You’re not alone!

Update 21/03/2018: Microsoft have dialed back on how quickly messages are marked as spoofed and, thus, moved to the Junk E-Mail folder. However, the guidance is to still properly implement SPF/DKIM/DMARC to be future proof.... Read More

28/09/201728/09/2017

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Summary of announcements for Hybrid Exchange @ Ignite

02/02/2017

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Microsoft releases new “Tenant Restriction” capability

A few days ago, Microsoft announced the General Availability of the "Tenant Restriction" capability. Although I have not been able to play with it so far, I wanted to take a few moments to reflect... Read More

23/09/201608/11/2016

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“Conference season” is about to start!

Every year in September, right after the summer holidays, there is an unofficial start of a new "work season". For some this unofficial start moment comes a bit earlier, for others a bit later. Some even... Read More

12/09/201608/11/2016

— 34 Comments

Exchange Virtual Directory HTML Report

04/08/201606/11/2016

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Speeding up retrieval of Send-As permissions

Many Exchange administrators are familiar with the Get-ADPermission cmdlet. In the contrary to the Get-MailboxPermission cmdlet, the Get-ADPermission cmdlet retrieves Active Directory permissions for an object, instead of permission in Exchange itself. For instance, the... Read More

18/07/201608/11/2016

— 2 Comments

A closer look at the “Minimal Hybrid Configuration” option

Just a few weeks ago, Microsoft announced a new feature in its line-up of hybrid Exchange capabilities: the Minimal Hybrid Configuration option. With the introduction of this new capability, Microsoft seems to have responded to... Read More

05/04/201805/04/2018

— Leave a Comment

How to leverage (multiple) migration endpoints to speed up migrations to Exchange Online

16/03/201821/03/2018

— Leave a Comment

Messages more marked as spoofed (and moved to Junk e-mail) in Office 365? You’re not alone!

02/02/2017

— Leave a Comment

Microsoft releases new “Tenant Restriction” capability

18/07/201608/11/2016

— 2 Comments

A closer look at the “Minimal Hybrid Configuration” option

12/09/201608/11/2016

— 34 Comments

Exchange Virtual Directory HTML Report

Update 12/09/2016: script updated to version 1.8: Included support for Exchange 2016 CU2+ Made some minor changes to the code + output now shows a message if successful/unable to write the html file. Previous updates in version 1.7: Added more recent Exchange build numbers Updated download location to TechNet Script Gallery You can download v1.8 here... Read More

04/08/201606/11/2016

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Speeding up retrieval of Send-As permissions

03/09/2015

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Exchange User Permission Enumeration Script

A few years ago, I wrote a PowerShell script which would enumerate the permissions a user had been given in an Exchange environment. Because of some connectivity issues over on pro-exchange.be, earlier, I decided to post... Read More

20/07/201508/11/2016

— 60 Comments

[updated: July 20, 2015] Script: putting Exchange Server 2013 into Maintenance Mode

Latest Update: v1.8 (07/20/2015): fixed a copy/paste error in the script and cleaned up the code to be a little more efficient (removed redundant IF-statement. Published the script to the TechNet Script Gallery for easier... Read More

28/09/201728/09/2017

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Summary of announcements for Hybrid Exchange @ Ignite

Today, Microsoft has made some quite big (and important!) announcements around the work they are doing to improve the experience for Hybrid Exchange customers. These announcements were all "dropped" during session BRK3155 (How to thrive as an organization in Exchange Online), and - for most - came quite unexpected. If there's one piece of feedback... Read More

12/09/201608/11/2016

— 34 Comments

Exchange Virtual Directory HTML Report

18/07/201608/11/2016

— 2 Comments

A closer look at the “Minimal Hybrid Configuration” option

22/02/201622/02/2016

— 3 Comments

Exchange Hybrid Deployments and cross-premises Full Access permissions

Nothing but excellent news in the hybrid Exchange realm these days! Microsoft recently updated the support statement for cross-premises permissions in a hybrid deployment. As of now, Full Access delegate permissions are supported cross-premises. I know... Read More

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