server

No remote Desktop License Server available on RD Session Host server 2012 R2

A fully functional and activated 2012 R2 Remote Desktop Session Host server displayed the following message: This was a simple setup on one server with the: connection broker, Session Host and Licensing server with 2012 R2 CAL’s installed. Even though the licensing seems to be configured correctly, in server manager: and PowerShell: Licensing diagnostics: everywhere … Read moreNo remote Desktop License Server available on RD Session Host server 2012 R2

How to Configure Time Server (NTP Server) on Centos 7?

Prerequisites: VM/ Physical – It is recommended to have the time server as a physical server, but VMs should be okay depending on your setup and requirement. My virtual lab environment is VMware based so here’s the guide for a VM. Once the CentOS Minimal is installed on the VM make sure to install open-vm-tools. … Read moreHow to Configure Time Server (NTP Server) on Centos 7?

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.

Check Proxy settings from Powershell

To check the proxy settings like ProxyOveride or if it is enabled or not:

To disable proxy from PowerShell:

To enable proxy from PowerShell:

 

Quick and Simple Way to Export DHCP Scope Settings From One Server to Another

Applies to: Windows Server 2008 R2, Windows Server 2012R2, Windows Server 2016 From the command prompt on the source DHCP server run the following command:

2.  Copy the “dhcp.dat” file to the new, or destination, DHCP server and run the following command:

While running the export command, the DHCP service will be temporarily … Read moreQuick and Simple Way to Export DHCP Scope Settings From One Server to Another

Exchange 2010: Moving Messages to Another Working Queue on another CAS Server

One of my CAS Hub servers was acting up and started queuing email. I needed to move the message to another working server while I needed time to troubleshoot what was causing the queuing. This is what I had to do. On the non working server: Create a Folder on C: called MailsExport Open Exchange Management … Read moreExchange 2010: Moving Messages to Another Working Queue on another CAS Server

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