The "Allow Standby States (S1-S3) When Sleeping (On Battery)" machine setting should be configured correctly.
[enabled/disabled]
Computer Configuration\Administrative Templates\System\Power Management\Sleep Settings\Allow Standby States (S1-S3) When Sleeping (On Battery)
oval:org.secpod.oval:def:19444
SCAP Repo OVAL Definition
2014-05-29