the exemgr had rolled over. I have this log entry.
As for the Local System account. The package files are copied down to C:\Windows\CCM\Cache\ so it has full rights to that location.
Notifying endpoint 'execmgr' of __InstanceModificationEvent settings change on object SMS_MaintenanceTaskRequests.TaskID="{685C58AE-6949-4163-993E-4AF443D961BD}" for user 'S-1-5-18'.
CCMEXEC
4/22/2015 8:30:34 AM
10196 (0x27D4)
*** System is now free to go to sleep
CcmExec
4/22/2015 8:30:34 AM
6100 (0x17D4)
*** Keep the system awake
CcmExec
4/22/2015 8:30:34 AM
1416 (0x0588)
Notifying endpoint 'execmgr' of __InstanceModificationEvent settings change on object SMS_MaintenanceTaskRequests.TaskID="{685C58AE-6949-4163-993E-4AF443D961BD}" for user 'S-1-5-18'.
CCMEXEC
4/22/2015 8:30:34 AM
6876 (0x1ADC)
Notifying endpoint 'execmgr' of __InstanceDeletionEvent settings change on object CCM_SoftwareDistribution.ADV_AdvertisementID="MH120100",PKG_PackageID="MH100173",PRG_ProgramID="CopyNewParagonFiles" for user 'S-1-5-18'.
CCMEXEC
4/22/2015 8:47:40 AM
11816 (0x2E28)
Notifying endpoint 'execmgr' of __InstanceCreationEvent settings change on object CCM_SoftwareDistribution.ADV_AdvertisementID="MH120101",PKG_PackageID="MH100173",PRG_ProgramID="CopyNewParagonFiles" for user 'S-1-5-18'.
CCMEXEC
4/22/2015 8:55:39 AM
10616 (0x2978)
Notifying endpoint 'execmgr' of __InstanceModificationEvent settings change on object SMS_MaintenanceTaskRequests.TaskID="{D046C497-64F3-4946-9AAC-6F1C7914C81F}" for user 'S-1-5-18'.
CCMEXEC
4/22/2015 8:58:06 AM
10616 (0x2978)