Client Configuration
Client in this case refers to any Microsoft operating system using volume activation and a KMS key, servers as well as desktop versions.
All configuration is done via a VB script (slmgr.vbs) which is installed by default on all Windows systems capable of using KMS. It is located in the Windows\system32 directory. You must use a command shell run with administrator privilages.
General Prerequisites
You need to ensure that you can communicate via TCP port 1688 to our KMS servers.
Right click on a command shell and select Run as Administrator before entering the commands.
Right click on a command shell and select Run as Administrator before entering the commands.
Change the SID
Before imaging a system for use with KMS you must generate a unique SID. If you are doing a clean install from media you will get a unique SID. If you're planning on imaging systems you can use sysprep with the generalise option, the Windows Automated Installation Kit or join the system to a domain.
Once you have done this you can configure the system to use KMS for activation.
Configuration Steps
- Set the KMS server (slmgr -skms servername)
- Install the KMS Product Key (slmgr -ipk product key)
- Activate the system (slmgr -ato)
Set the KMS Server (slmgr -skms servername)
You need to configure your client to point to the KMS server. By default it will try and autodetect an activation server using DNS and SRV records, based on the DNS domain suffix of the client. Since these records would not match in the majority of cases this is not a viable method so direct registration of the KMS server is the supported method.
The server name is kms.csx.private.cam.ac.uk.
You should use the FQDN to identify the KMS system rather than the IP address or NetBIOS name.
To configure the client for direct registration launch a command window with elevated privileges and enter:
\windows\system32\slmgr.vbs -skms kms.csx.private.cam.ac.uk
This will override any attempt by the client to use autodiscovery and point the system to the central KMS server.
Install the KMS Product Key (slmgr -ipk product key)
On Windows Vista, server 2003, 2003 R2 and 2008 the product key can be found in a pid.txt file in the \Sources folder on the install media. Windows 7, 8 and 8.1 and Server 2008 R2, 2012 and 2012 R2 product keys can be found below. This may cause an error message, see Troubleshooting below.
To install a product key use slmgr.vbs
\windows\system32\slmgr.vbs -ipk Product Key
If a pre-existing key is present you may need to use the -upk option to remove this before you can install the pid key.
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