Microsoft 제품에서 사용되는 Product Key (흔히 CD Key라고 부르는) 종류에 대해서 정리된 내용이 있어서 올려둠.
Product Key type
CUS
This custom key requires special actions to activate or install.
MAK
This volume license key (MAK) allows multiple activations.**
RTL
This retail key allows multiple activations.**
STA
This setup key bypasses activation.
VL1
This is a VA 1.0 key
OEM
This is an Original Equipment Manufacturer key that allows multiple activations.
AAA
This retail key is for AA* programs and allows one activation. These keys are issued in batches.
AAL
This lab use key is for AA programs and allows multiple activations.**
AAM
This is a multiple activation key for AA program customers.
AV1
This volume license key (VA 1.0) is for AA programs and allows multiple installations.**
AV2
This volume license key (KMS) is for Academic Alliance programs.
*AA = Academic Alliance
** IMPORTANT - If you use products that require activation, many allow you to go 30 days without activating. If you re-image your computers more frequently than every 30 days, you may want to consider NOT activating them in these cases - if you have that option based on the product you are installing.
출처: Microsoft TechNet Subscriber Downloads and Product Keys FAQ
https://technet.microsoft.com/ko-kr/subscriptions/securedownloads/dd464803(en-us).aspx
