Category Archives: PowerShell

Exchange Online PowerShell Module and Execution Policy

I’ll get to the problem with Powershell Execution Policy shortly, but first a bit of background… If your AAD/O365 admin accounts are configured for multi-factor authentication (which they should be, because it’s free), you will likely be familiar with the Exchange Online PowerShell Module, which is designed to work with MFA.  Getting to the Module… Read More »

How to extract a list of mailboxes from an Exchange mailbox migration batch

Actually, this is more of a question than answer – although I have an answer of sorts, albeit far from elegant. I’ve been scheduling some batch onboarding mailbox migrations from a hybrid environment with Exchange 2010 to Exchange Online.  The batch process is pretty straightforward, but I haven’t found an easy way to dump the… Read More »

Powershell snippet to enable change notification on all site links

Qasim Zaidi has an old but really good blog entry on enabling change notification for Active Directory site links.  For a long time now I’ve encouraged my customers (those with decent bandwidth between sites) to enable change notifications on site links rather than wait the 15 minutes (minimum) for replication between sites. Qasim’s blog references a Powershell… Read More »

Attribute-Based Active Directory Group Membership

Unfortunately Active Directory doesn’t yet provide dynamic security groups in the way that, for example, Exchange provides dynamic distribution groups.  Sometimes it is useful to maintain a group’s membership based on a specific attribute, or set of attributes.  Here’s a quick Powershell example that shows how to maintain the membership based on the presence of… Read More »

Dump a list of all schemaIDGUIDs with Powershell

There are well known methods for setting Access Control Entries (ACEs) on Active Directory objects using Powershell. One example is the following:   The method relies on you knowing the schemaIDGUID of the schema object classes you are working with (e.g. User, Computer, Group). Unless you know your way around AD it’s not… Read More »