Amazon AWS windows instance w32time service issue

CURRENT CONFIGURATION:  Windows 2008R2 SP1 instance on Amazon AWS VPC
OBJECTIVE: Time synchronise
C:\>sc start w32time
[SC] StartService FAILED 1290:
The service start failed since one or more services in the same process have anincompatible service SID type setting. A service with restricted service SID type can only coexist in the same process with other services with a restricted SID type. If the service SID type for this service was just configured, the hosting process must be restarted in order to start this service.
C:\>sc start Ec2Config
[SC] StartService FAILED 1068:
The dependency service or group failed to start.
Uninstall Ec2ConfigService. Delete all in c:\Program Files\Amazon\Ec2ConfigService\ except  config files in c:\Program Files\Amazon\Ec2ConfigService\Settings\ .
Uninstall w32time by command
w32tm /unregister
Reboot server.
Install and start w32time service by command
w32tm /register
@ping localhost -n 5 >; nul
sc start w32time
Configure w32time service. Example:
w32tm /config /update /manualpeerlist:0.ie.pool.ntp.org,0.europe.pool.ntp.org,3.europe.pool.ntp.org /syncfromflags:MANUAL
@ping localhost -n 2 >; nul
w32tm /monitor /computers:0.ie.pool.ntp.org
w32tm /resync
Reboot the server ant test w32time service. Example
w32tm /monitor /computers:0.ie.pool.ntp.org
w32tm /resync
w32tm /query /peers
w32tm /query /configuration
If w32time service works as you expected download and install Ec2ConfigService
Reboot the server.
LINKS: Reinstall ec2config