join linux server to windows AD

am getting this error in windows
(Password propagation is not done. Either default encryption key is configured or no UNIX hosts configured to propagate password.)
then computer will join to windows AD but dns update fail.
legantiAsked:
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arnoldConnect With a Mentor Commented:
Which Linux distribution are you using?
Look for Linux ad integration.
Deals with samba, wnibind
You could also use ldap based access to the AD which will require you to modify AD settings to allow 389 access etc. while creating an AD account that the Linux ldap config will use to authenticate into the ad unless OU allow anonymous access to the ad via ldap.
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legantiAuthor Commented:
1-redhat 6.2
2-i hv already production windows AD and 12 redhat server joined to it but the issue with new ad created even i have joined 4 redhat server after 2two i faced this issue
3- am using both samba winbind and nswtich


so any clue for this issue.
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legantiAuthor Commented:
1- i have windows AD + Dhcp
2-do u mean that i have to reserve ip address from dhcp scop or what

not that i have already joined 4 redhat server to windows AD but after that am facing this issue
i can the redhat server in windows AD comuputer but it is not automatically registering the dns records.
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arnoldCommented:
Do you have any of the RedHat systems configured with OpenLDAP?
That is the only possible destination to which password would propagate.
Which DNS update fails, the reverse host registration?  Check the /etc/smb.conf to see to which interface it is bound/sending the DNS registration events?

You have to have DNS on your AD, do you have non AD based Name server listed on the server/clients?

I.e. are you pushing external DNS servers to the client systems via DHCP?
Make sure on your DNS server to add the private network reverse zones to avoid having those registration attempts from being forwarded/sent out.
10.0.0.0/8 255.0.0.0
172.16.0.0/10 255.192.0.0
192.168.0.0/16 255.255.0.0
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legantiAuthor Commented:
Already ihv prod envi with winAD and redhat serv register to it   so am planning to do another staging envi ans am facing thia issue now  before this   i hv join 4 redhat swrvwra and it was joined smoothly
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legantiAuthor Commented:
any update
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arnoldCommented:
Do you manually create a computer account for the redhat systems you will belonging within the AD?
Are you using the GUI system-config-authentication? Or are you manually adjusting smb.conf, krb5.conf, and then using net join ads?
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legantiAuthor Commented:
no man am running script that include many thing required for linux to be joined to windows AD
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arnoldCommented:
Are you using system-config-authententication?

Your response does not include which guide you are following and what your issues are.

Searching for "redhat 6 ad integration" returns guides to complete the process.

Are you trying to setup/configure a kickstart setup that will auto join a system into the ad upon install?
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