How to get a Non-Domain Connected PC/Server to activate Client KMS key

To check that a DNS Suffix is defined:

  1. open a CMD prompt
  2. type: ipconfig /all | find /i “Suffix”
  3. the DNS suffixes (primary and search) should be displayed

To check that the proper DNS record for KMS Server Auto-Discovery exists:

  1. open a CMD prompt
  2. type: nslookup -type=SRV _vlmcs._tcp
  3. If a DNS record is found, it should be displayed
  4. Remember: the client must have a Primary DNS suffix configured for this to work