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Security Policy Anomaly Sep 28 2006 12:51AM
Michael Chinn (m chinn gbrmpa gov au)
I thought I would share this to see if there were any other similar
situations someone had come across.
I have been applying a security template to XP machines using the
secedit.exe cmdline tool. I noticed that the Maxpassword age would not
apply, defaulting to 42 days (setup security settings), the log would
report an error
'Secedit Error 87: The parameter is incorrect.'
the relevant part of the security template...

; 1.2 - Maximum password age (Apply at the domain level)
MaximumPasswordAge = -1
; 1.3 - Minimum password age (Apply at the domain level)
MinimumPasswordAge = 0

(Before you mention it, I know that settings the password expiration to
never expire is a security problem, however these are standalone
machines that utilise a separate password system to the std windows one)

After about half an hour of googling for the answer, on a hunch I tried
this change

; 1.2 - Maximum password age (Apply at the domain level)
MaximumPasswordAge = -1
; 1.3 - Minimum password age (Apply at the domain level)
; MinimumPasswordAge = 0

lo and behold commenting out the min password fixed the problem, it
would seem that defining any minimum password age when max is -1 would
result in the same circumstance

Are there other 'dependant' settings in the security templates/group policy?

--
Michael Chinn
User Support Officer - Information Technology

Great Barrier Reef Marine Park Authority
PO Box 1379
TOWNSVILLE, QLD 4810

Ph 07 47500874 Fax 07 4772 6093
michaelc (at) gbrmpa.gov (dot) au [email concealed]

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