DHCP or DNS sudden crash

[jl3574]

I recently reformat my servercomputer and reinstall Domain controller DHCP and DNS. i was successfully adding all other computer to this new domain.Everything seem to run fine for about a week or so until now. everymorning when i go to START->CONTROLPANEL->ADMINTOOL->DHCP
it shows a message like:
DHCP CANNOT START
ERROR:Not enough storage to complete this operation.


and when i restart the computer the DHCP will show correctly

the event log doesn't really shows any thing here is a timeline:
SYSTEM LOG
==========================================================
Event Type: Information
Event Source: DhcpServer
Event Category: None
Event ID: 1037
Date: 8/13/2008
Time: 12:00:48 AM
User: N/A
Computer: JLSERVER
Description:
The DHCP service has started to clean up the database.
========================================================
Data:
0000: 00 00 00 00 ....
Event Type: Information
Event Source: DhcpServer
Event Category: None
Event ID: 1038
Date: 8/13/2008
Time: 12:00:48 AM
User: N/A
Computer: JLSERVER
Description:
The DHCP service has cleaned up the database for unicast IP addresses -- 0 leases have been recovered and 0 records have been removed from the database.
======================================================
Event Type: Information
Event Source: DhcpServer
Event Category: None
Event ID: 1039
Date: 8/13/2008
Time: 12:00:48 AM
User: N/A
Computer: JLSERVER
Description:
The DHCP service has cleaned up the database for multicast IP addresses -- 0 leases have expired (been marked for deletion) and 0 records have been removed from the database.
=======================================================
at 12:15am i check the dhcp from admin tool and looks correct

========================================================
Directoyr Service Log SHOWS:
Event Type: Information
Event Source: NTDS ISAM
Event Category: Online Defragmentation
Event ID: 700
Date: 8/13/2008
Time: 1:49:21 AM
User: N/A
Computer: JLSERVER
Description:
NTDS (268) Online defragmentation is beginning a full pass on database 'C:\WINNT\NTDS\ntds.dit'.
==========================================================
Event Type: Information
Event Source: NTDS ISAM
Event Category: Online Defragmentation
Event ID: 701
Date: 8/13/2008
Time: 1:49:22 AM
User: N/A
Computer: JLSERVER
Description:
NTDS (268) Online defragmentation has completed a full pass on database 'C:\WINNT\NTDS\ntds.dit'.


=========================================================
Application LOG SHOWS
Event Type: Error
Event Source: Userenv
Event Category: None
Event ID: 1000
Date: 8/13/2008
Time: 2:20:11 AM
User: NT AUTHORITY\SYSTEM
Computer: JLSERVER
Description:
Windows cannot connect to WHITFIELD.COM with (0x2747).
=========================================================

Event Type: Error
Event Source: Userenv
Event Category: None
Event ID: 1000
Date: 8/13/2008
Time: 2:20:11 AM
User: NT AUTHORITY\SYSTEM
Computer: JLSERVER
Description:
Windows cannot query for the list of Group Policy objects . A message that describes the reason for this was previously logged by this policy engine.
========================================================
i went to bed at 12:30 thinking eveyrthing was working but it seems like at 2:20 AM ish the application is showing network errors.

but there's no other event viewer logs besides those ones.

I BEEN WAKING UP EVERYMORNING AT 4AM JUST TO RESTART THE COMPUTER TO MAKE SURE THE NETWORK IS WORKING...

PLEASE HELP