I had a customer trying to upgrade their Exchange 2019 Servers from CU14 to CU15 and hit an error during the Management Tools step. The inst...

Alot of my customers are scrambling to get ready for Exchange SE (Subscription Edition) which requires Exchange 2019 CU14/CU15 for the in-pl...

A lot of my customers are in the process of renewing their Exchange certificates or upgrading to Exchange 2019 in preparation for Exchange S...

A lot of my customers are coming up on cert renewals for Exchange...must be that time of the year. One of said customers, preemptively updat...

I have a customer who's Exchange Online tenant is getting bombarded with spam from Hotmail and outlook.com free accounts. The spammers a...

In my environment, we run SuccessFactors (part of SAP) and as most Exchange admins can attest, SAP is absolutely terrible when it comes to r...

I recently had an all-too-common request: "who deleted a folder from a Shared Mailbox?". Technically you can audit these actions i...

One of our users sends monthly newsletter blasts to a couple thousand recipients through MailChimp. The problem is (and I've seen this i...

If you follow my blog, you know that I like to use Visio to draw pretty pictures to use when planning out Messaging Environments, like this ...

In my current environment, we have a mix of Shared Mailbox Calendars and calendars shared out by users themselves. While I prefer to use Sha...

In my current environment, we do a lot of Litigation Holds...it's a medical org, so I mean A LOT of holds. Not only do we have to do mai...

I previously wrote a post on how to create an M365 Remote PowerShell shortcut and would get errors when running EXOMailbox cmdlets. All ot...

In a previous post , I showed how to create a Remote PowerShell shortcut for Office 365 using Remote PowerShell (RPS), to save you from havi...

 ...a second book actually! My first book Exchange 2016 Resource Forest Setup  can be found here .  My new eBook  Exchange N00b  is live on ...

After installing a Server 2016 or Server 2019 Domain Controller into your existing Exchange environment, you'll get the following error ...

If you follow my blog, you know I run an Exchange Resource Forest (which really sucks). A quick rundown on the innerworkings of a Resource F...

My company just sold off a couple of its business units and the sales agreement says offboarding users must keep their legacy email access f...

In my Exchange 2016/SFB 2015 environment, I have a user named Mary, where OOF is showing enabled/turned on when looking her up in SFB and Ou...