Something I was tasked with a few months ago was scoping down which users could send Out of Office (OOF) replies to external senders. After a little bit of thought, I came up with a pretty quick Powershell script that would accomplish this.

Since the default behavior of a mailbox when created is to allow external OOF replies, this task requires disabling the ones you do not want sending external replies.

In my environment, the users that needed to be scoped were nicely broken out by their OU location in Active Directory. For this reason, I chose to run my…


My current organization is somewhat of a service provider. As a financial co-op, we provide many services to the banks that actually own us — one of which is IT infrastructure services. This means that we design, implement and support everything from Active Directory, to Exchange, to AD FS and everything in between. As such, we often get requests that come out of left field, such as this one.

Before I landed in this position, they were not allowing Out of Office (OOF) messages to go out to external senders. …


I will start this off by saying that as a UC Engineer I don’t have much experience with Microsoft’s Direct Access, or DA, as most call it. That being said, recently I had the [dis]pleasure of troubleshooting what seemed to be a complex issue that turned out to be quite simple in the end, all related to DA and the DA NLS Service.

It was a fine Sunday afternoon — I had just got done playing in my hockey game and after showering up I took a look at my phone only to notice I had several missed calls and…

Greg Fisher

UC guy, hockey player, BMW lover…

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