people picker issue - restricting to one domain in sharepoint 2007

When we search the user in people
picker it is pulling the same user name from multipile domains. we want only to
pull from one domain but no luck even after trying below steps <o:p></o:p>

http://blog.ithinksharepoint.com/2008/10/30/restricting-the-people-picker-to-searching-one-domain/<o:p></o:p>

stsadm -o
setproperty -pnpeoplepicker-searchadcustomquery -pv “(canonicalName=[jda.corp.local]*)” -url http://xxx.xxx.com <o:p></o:p>

O/P: operation completed successfully.<o:p></o:p>

we have checked in SharePoint Content DB of respective web
application , in user information table we see the all the user email ids that
are associated with multiple domains. So as an example I removed id related to
i2 email. By using following steps.<o:p></o:p>

Deleted this
respective tp id by using following query but did
not help. Even after deleting we are getting results from domain which we want
to restrict.<o:p></o:p>

Delete

From
contentdatabase.userinfor where tp_id = xxx <o:p></o:p>

Please help me..<o:p></o:p>

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Thanks, Ram Ch