ERROR CODES REASON
SCREEN MESSAGE
PROVIDE
KEYs
RECOMMENDED STEPS
REASON
0xC004F00F
ROT ERROR
This PC isn't activated anymore. If you
reinstalled Windows or made changes
to your hardware recently. You can
contact customer support for help
ONLY IF
a) Recommend Customer to contact MS per
error screen with Proof of Purchase
b)PROVIDE KEY ONLY IF SYSTEM BOARD
REPLACED & ACTIVATION FAILS
IMMEDIATELY/WITHIN A DAY
Windows is no longer activated due
to changes in the configuration since
Windows was first activated.
Caused
by swapping motherboards among
PCs, or moving the Windows
installation hard drive to a different
PC.
0xC004C051
OOT on 1st
Activation
This preinstalled version of Windows
can't be activated. Contact your PC
manufacturer for assistance, or buy a
new key
ONLY IF
a) PROVIDE KEY ONLY IF " NEW SYSTEM"
WITHIOUT ANY HARDWARE CHANGES &
ACTIVATION FAILS
b) OR SYSTEM BOARD REPLACED &
ACTIVATION FAILS IMMEDIATELY/WITHIN A
DAY.
c) Other situation with no MB replacement/
refer customer to MS & DO NOT provide a
key .
THIS SITUATION IS STILL BEING ASSESSED
& WE WILL PROVIDE AN UPDATE LATER
(including hardware changes on brand new
system)
a) Caused by missing CBR (computer
built report) for new systems
b) Excessive hardware changes on
new systems prior to activation
c) Missing Key on Replacement
Motherboard
BLOCKED KEYS
The product key didn't work. Try a
different key, or buy a new one.
ONLY IF
0xC004C770
0xC004C008
ALREADY USED
KEY
This product key is already being used
on another PC. Try a different key, or
buy a new one.
ONLY IF
PROVIDE KEY ONLY IF SYSTEM BOARD
REPLACED & ACTIVATION FAILS
IMMEDIATELY/WITHIN A DAY
Key Leaked to Internet or
(no injected key) in replacement MB.
ACTIVATION ERROR CODES FOR WINDOWS 8
0xC004C4A2
0xC004C060
0xC004C003
a) PROVIDE KEY ONLY IF " NEW SYSTEM"
WITHIOUT ANY HARDWARE CHANGES &
ACTIVATION FAILS
b) OR SYSTEM BOARD REPLACED &
ACTIVATION FAILS IMMEDIATELY/WITHIN A
DAY
For all other situations, refer customer to MS
or escalate to CSAT.
Escalate to [email protected]
immediately
Caused by using same key on
multiple systems
