Outlook AutoDetect And Broken AutoDiscover

Those in the Exchange Server space for a number of years know all about AutoDiscover and the many ways it can be configured and misconfigured – if even configured at all. Often misconfiguration is to do with certificates or it is not configured at all because it involves certificates and I thought I was aware… Continue reading Outlook AutoDetect And Broken AutoDiscover

Anonymous Emails Between On-Premises and Exchange Online

When you set up Exchange Hybrid, it should configure your Exchange organizations (both on-premises and cloud) to support the fact that an email from a person in one of the organizations should appear as internal to a recipient in the other organization. In Outlook that means you will see “Display Name” at the top of… Continue reading Anonymous Emails Between On-Premises and Exchange Online

Send-On-Behalf Permissions in Exchange Online

This document is up to date as of November 2018 and is therefore unlike many earlier documents on this issue as this feature set is in the process of changing. First, Send-On-Behalf is changing so that it is supported across a hybrid Exchange Server to Exchange Online connection. At the time of writing this is… Continue reading Send-On-Behalf Permissions in Exchange Online

Exchange Online Migration Batches–How Long Do They Exist For

When you create a migration batch in Exchange Online, the default setting for a migration is to start the batch immediately and complete manually. So how long can you leave this batch before you need to complete it? As you can see from the below screenshot, the migration batch here was created on Feb 19th,… Continue reading Exchange Online Migration Batches–How Long Do They Exist For

Office 365 Retention Policies and Hybrid Public Folders

If you create an Office 365 Retention Policy (in the Security and Compliance Center) that applies to all Exchange Online content then you might find that after the retention policy has been deployed (a day or so later usually) that the policy is in error and there is a message at the top of the… Continue reading Office 365 Retention Policies and Hybrid Public Folders

Outbound Email Via Exchange Online Protection When Using Hybrid Exchange Online

In a long term hybrid scenario, where you have Exchange Online and Exchange Server configured and mailboxes on both, internet bound email from your on-premises servers can route in two general ways. The first is outbound via whatever you had in place before you moved to Office 365. You might have configured Exchange Online to… Continue reading Outbound Email Via Exchange Online Protection When Using Hybrid Exchange Online

Configuring Hybrid Device Join On Active Directory with SSO

The instructions from Microsoft at https://docs.microsoft.com/en-us/azure/active-directory/device-management-hybrid-azuread-joined-devices-setup are missing some of the steps on setting up hybrid device join to Azure AD. This is a complete list of steps when Pass-Thru auth with SSO is enabled on the domain. Enable SSO – this is covered elsewhere. You can also do hybrid device join on a federated… Continue reading Configuring Hybrid Device Join On Active Directory with SSO

Administrators, AADConnect and AdminSDHolder Issues (or why are some accounts having permission-issue)

[Scripts updated 5th October 2017 to support updates for Exchange Hybrid Writeback. If you ran earlier versions of these scripts you will need to run them again] AdminSDHolder is something I come across a lot, but find a lot of admins are unaware of it. In brief it is any user that is a member… Continue reading Administrators, AADConnect and AdminSDHolder Issues (or why are some accounts having permission-issue)

Configuring Sync and Writeback Permissions in Active Directory for Azure Active Directory Sync

[Last updated 11th November 2019 – added support for Exchange Server automapping support, which was announced during Microsoft Ignite 2019 and will be supported in the first half of calendar year 2020. This is supported by adding writeback for msExchDelegateListBL and msExchDelegateListLink attributes. The below Exchange Hybrid writeback script has been updated to support these… Continue reading Configuring Sync and Writeback Permissions in Active Directory for Azure Active Directory Sync

Speaking at TechEd Europe 2014

I’m please to announce that Microsoft have asked me to speak on “Everything You Need To Know About SMTP Transport for Office 365” at TechEd Europe 2014 in Barcelona. Its going to be a busy few weeks as I go from there to the MVP Summit in Redmond, WA straight from that event. My session… Continue reading Speaking at TechEd Europe 2014

Exchange Web Services (EWS) and 501 Error

As is common with a lot that I write in this blog, it is based on noting down the answers to stuff I could not find online. For this issue, I did find something online by Michael Van “Hybrid”, but finding it was the challenge. So rather than detailing the issue and the reason (you… Continue reading Exchange Web Services (EWS) and 501 Error

Configuring Exchange On-Premises to Use Azure Rights Management

This article is the fifth in a series of posts looking at Microsoft’s new Rights Management product set. In an earlier previous post we looked at turning on the feature in Office 365 and in this post we will look at enabling on-premises Exchange Servers to use this cloud based RMS server. This means your… Continue reading Configuring Exchange On-Premises to Use Azure Rights Management

Highly Available Office 365 to On-Premises Mail Routing

This article looks at how to configure mail flow from Office 365 (via Exchange Online Protection – EOP) to your On Premises organization to ensure that it is highly available and work in disaster recovery scenarios with no impact. It is based on exactly the same principle to that which I blogged about in 2012:… Continue reading Highly Available Office 365 to On-Premises Mail Routing

The New Rights Management Service

This blog is the start of a series of articles I will write over the next few months on how to ensure that your data is encrypted and secured to only the people you want to access it, and only for the level of rights you want to give them. The technology that we will… Continue reading The New Rights Management Service

Cannot Send Emails To Office 365 or Exchange Online Protection Using TLS

I have found this is a common issue. You set up an Exchange Online Hybrid or Exchange Online Protection (EOP) stand alone service and follow all the instructions for the creating of the connectors needed, only to find that your emails queue in your Exchange Server. If you turn on protocol logging you get this… Continue reading Cannot Send Emails To Office 365 or Exchange Online Protection Using TLS