Connecting Windows 7 to Ubuntu / Samba as PDC

I have a network consisting of 12 Windows 7 Professional 64-bit machines and one 64-bit Ubuntu/Samba 3 server configured as a PDC using roaming profiles.

I can join the domain windows XP professional and login using any user from the domain, but when I try using Windows 7 professional 64-bit it will join the domain but after a reboot it says that the trust relationship between the workstation and the server failed and will not login with any user except the local account.

I tried changing the two registry entries listed at samba.org for windows 7, but I still get the same results.   My samba version is 3.6.15

Anyone know the trick to making this work
Rolling_TechAsked:
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lruiz52Connect With a Mentor Commented:
check the link below, see if it fixes your problem.

http://praxis.edoceo.com/howto/samba3-windows7
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Rolling_TechAuthor Commented:
I followed the directions there and tried leaving and rejoining the domain, but I still get

"the trust relationship between the workstation and the primary domain controller failed"
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lruiz52Commented:
Have you tried disabling the windows firewall to test?
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Rolling_TechAuthor Commented:
I tried disabling the firewall on all connections then rebooted.  

At login I got the same message:
"the trust relationship between the workstation and the primary domain controller failed"
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lruiz52Commented:
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Rolling_TechAuthor Commented:
Tried #9 same results can't login to any domain account.
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joolsCommented:
Are the machine accounts created ok?
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Rolling_TechAuthor Commented:
When I join the domain it creates the machine accounts just fine, but for some reason it doesn't trust them.after a reboot.
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Rolling_TechAuthor Commented:
I finally got past this problem using this registry script:

Windows Registry Editor Version 5.00

; Win7/Samba 3.4.x - Workstation Share
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\lanmanserver\parameters]
"AutoShareWks"=dword:00000001

; Win7/Samba 3.4.x - Compat
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\services\lanmanworkstation\parameters]
"DNSNameResolutionRequired"=dword:00000000
"DomainCompatibilityMode"=dword:00000001
; AllowPlain ....
; RequireSecuritySignature"=dword:00000000

; Win7/Samba 3.4.x - Compat
; http://us.generation-nt.com/answer/samba-rejecting-auth-request-client-xxx-machine-account-win7-help-206090182.html#206092242
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\netlogon\parameters]
"DisablePasswordChange"=dword:00000001
"RequireSignOrSeal"=dword:00000001
"RequireStrongKey"=dword:00000001

;Turn off last user logged in stuff.
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
"dontdisplaylastusername"=dword:00000001

;Disable the security center stuff annoyances
; [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wscsvc]
; "Start"=dword:00000003

; Speedup settings
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System]
"SlowLinkDetectEnabled"=dword:00000000
"DeleteRoamingCache"=dword:00000001
"WaitForNetwork"=dword:00000000
"CompatibleRUPSecurity"=dword:00000001

; Can drive you nuts
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
"EnableLUA"=dword:00000000
"LocalAccountTokenFilterPolicy"=dword:00000001

;Stupid keys that make the windows 7 sysprep crap out.
[HKEY_LOCAL_MACHINE\SYSTEM\Setup]
"RestartSetup"=dword:00000000
"SetupType"=dword:00000000
"SystemSetupInProgress"=dword:00000000
"SetupPhase"=dword:00000000
"CmdLine"=""
"OOBEInProgress"=dword:00000000

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And then setting "RequireSignOrSeal"=dword:00000000

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For some reason though it did not map my H:\ drive to home directory, although I can access all the shares without issue.
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