Workstations are not using Domain Controller defined in Sites and Services

We implemented AD Sites and Services. At one remote site we setup which has a 2008 RODC, none of the workstation authenticate the users against it. Instead they all hit the ones in another town which are writable. The subnet is correct and I have given the computers and users access to have their info stored on the RODC. Repadmin shows replication is fine. DCDAIG says systemlog failed as it has several errors about computers not containing a trust account for "computername$". Everything else in DCDIAG passes. Hover my test machine i use which is at the site generates no errors in the RODC log when I log in, it just authenticates me in the town i am in instead of using the local DC.
NativtexanAsked:
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AwinishCommented:
Did you cache the computer account on the RODC, if not then it will form secure channel with RWDC because RODC can't issue kerberos ticket.

All About  (RODC) Read Only Domain Controllers
http://awinish.wordpress.com/2011/10/04/rodc-read-only-domain-controller/

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NativtexanAuthor Commented:
The issue was authentication. The person who setup this RODC was trying to lock it down and only having the local accounts/computers cache their password on it. However, the local IT guys were not keeping these groups current with their changes. The RODC is in a secured building so I added Domain Users and Domain Computers to the password replication policy of the RODC and no errors show this morning. Thanks to you both.
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