NSLookup still showing IP of demoted Domain Controller

So had an interesting issue today where a Domain Controller (DC) was demoted yet the IP of the demoted DC was still showing up when running nslookup internaldomain.local Demoted DC: MWDC04 / IP: 10.14.111.111 I had done the metadata cleanup and tried many suggestions when googling the subject. To my surprise none of the solutions I … Read more

Provisioning a New Office 365 User and Mailbox from Exchange Hybrid via PowerShell

Working with many Office365 clients, I receive queries on how to go about provisioning users and mailboxes for an Exchange hybrid deployment. To begin with, let’s assume a couple things. We have a Windows 2012 R2 member server with Azure AD Connect (AAD Connect) version 1.1.105.00 (or newer) and the Azure AD Module for PowerShell installed; … Read more

Speed up Active Directory & DNS replication between Sites

Using the standard GUI Microsoft Management Consoles to make the change to speed up Active Directory replication is not possible. The best result of using administrator consoles will be to increase domain replication between domain controllers to 15 minutes. These large time values were instituted into Active Directory at version 1 because inter-site connections during that era of computing and networking were much lower in bandwidth with the most common being frame-relay or … Read more

Office365: List Your Business Can’t Live Without

When you have a lot of conference rooms, equipment or special rooms mailboxes it is hard to list or find available free rooms during a particular time slot. Luckily, Office365 and Outlook 2013/2016 have a special feature called ‘Room Lists’, which enable you to find and schedule  a room quickly based on availability and offer … Read more

Find out ‘in cloud’ Distribution Groups

Microsoft Teams was announced yesterday and many want to jump right in. I noticed when users wanted to create teams, new distribution groups started getting added. I wanted to find out my ‘In cloud’ distribution groups and was surprised there was no property for the item.   I was able to find out the groups … Read more

Disable Office group creation

Every Exchange user has an OWA mailbox policy that governs what they can and can’t do with their mailbox. Updating this mailbox policy removes the ability for users to create Groups. Because OWA policies are per user, you can limit the ability to create Groups for some users and not others. At this time, the … Read more