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Mutliple KMS Keys on a single Windows 2008 host

Posted on 2015-02-18
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Last Modified: 2015-02-23
I have two KMS host servers which tailor a handful of domains. I have a Win7 / Win 2008 R2 environment. I need to decommission one of the KMS server.

Can I simply add the KMS keys from one host to another? The destination KMS server already has keys for 2008 / 7 clients. Now I am wondering if I can add more KMS keys on the same server that already has 7 / 2008 KMS keys..

In essence, how many WIn 7 or 2008 KMS Keys can i add on a single server?

Thx
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Question by:tobe1424
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kevinhsieh earned 2000 total points
ID: 40618643
I believe you can only have 1 set of keys for a single product. Why would you need two? The KMS system doesn't distinguish between the domains that the computers are coming from, or if they are even in a domain. The KMS server also doesn't keep track of how many clients have gotten keys, only that you have met the minimum number of clients. If you want to retire 1 KMS server, ou can just do that and remove the entry in DNS. Having two KMS servers is nice because then you don't have to worry if one is down for a while.
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Author Comment

by:tobe1424
ID: 40625882
thanks for the input and elaborating on the topic.

so in short I can use any of my KMS licenses to activate all the KMS clients in my domains...assuming that the networking/DNS is set up correctly ?

No need to have a "specific one"
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Author Comment

by:tobe1424
ID: 40626010
in essence, all i should do is change the DNS records to point to the other KMS server which already has the WIN7 / 2008 R2 KMS key?
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Assisted Solution

by:kevinhsieh
kevinhsieh earned 2000 total points
ID: 40626153
You just need to make sure that DNS is correct in only listing the correct server.

See these two articles if you need more details on adding and deleting the records.

https://pixelicous.wordpress.com/2011/06/14/manually-creating-kms-srv-records-in-dns/

http://blogs.technet.com/b/odsupport/archive/2011/11/14/how-to-discover-kms-hosts-via-a-dns-query-and-remove-them-if-need-be.aspx
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