How to force update GlobalAddressList in Office 365?

This post explains how to manually force and update the global address list in Office 365. Updating the global address list requires to have the Address List Management role. By default, nobody has this role. 1. Assign the AddressList Management role Login with your administrator account to the Office 365 portal. Go to Exchange Admin … Read more

DNS broken after Windows Update KB3145126

I noticed the DNS broke on my servers after Windows Update. The problem was KB3145126. Read more about it here. After a quick removal and reboot, DNS was operational again. To remove/uninstall KB3145126, open powershell and run the following:

Hope this helps.

Updating the system time on Server 2008R2 & 2012R2 using NTP Servers

To update, use the command below (2008 and 2012 server compatible)

change the ntp_server with your source. Check http://tf.nist.gov/tf-cgi/servers.cgi for servers Restart the time service

Resync the time

Verify your sync status

Commands above should be fine if your sources are working correctly and/or your connection is OK (firewall or Microsoft Forefront … Read more