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Samstag, 24. Januar 2015
KMS Server Installation on Windows Server 2012 R2
Own KMS server allows to make Microsoft products activation in a corporate network easier and in contrast to a usual activation process doesn’t require granting each computer access to the Internet to Microsoft activation servers. KMS infrastructure is rather simple, reliable and easily scalable (a single KMS server can maintain thousands of clients).
In this article, we describe how to install and activate the KMS server on Windows Server 2012 R2 on the corporate network.
Installation and Configuration the Volume Activation Services Role
KMS requires installation and configuration of a separate role – Volume Activation Services. You can do it in Server Manage console or PowerShell:
Find the key with type KMS (not MAK) and copy it to the clipboard.
Paste the GVLK key in the corresponding field of the wizard (Install your KMS host key).
If the system accepts the key, you will immediately be suggested to activate it. The system will define a product by the key you entered and suggest two ways of activation (by phone or online).
After the key is activated, you have to configure Key Management Service options: activation and renewal intervals, port (by default, KMS listens on port 1688) and Windows Firewall exceptions. To automatically create a DNS record necessary to automatically search a KMS server in the domain (SRV record _vlmcs._tcp), check the option DNS Records – Publish.
Now the configuration is over. Make sure that a special DNS record pointing to your KMS server was created:
nslookup -type=srv _vlmcs._tcp.corp.woshub.com
Then get the information on the KMS server status:
Pay attention to the following fields:
Partial Product Key – the last 5 symbols of the key are shown
License status – license activation status (it should be Licensed)
Total requests received – the number of activation requests (0 yet)
Attention. Remember that a KMS server has so called activation threshold. It means that an activated KMS server starts to activate clients only when the number of clients that addressed it in the last 30 days exceeds the certain limit (activation count):
The activation threshold for client OS Vista / Windows 7 / Win 8 is 25 clients
In case of server OSs Windows Server 2008/ 2008 R2 / 2012 / 2012 R2 it is 5 clients