Specify user account and password from a one way trust
To specify the user name and password from a one-way trust, so that People Picker can look up this information, use the following syntax:
stsadm -o setproperty -url http://<server:port> -pn peoplepicker-searchadforests -pv “forest:contoso.corp.com;domain:bar.contoso.corp.com”, <LoginName>, <Password>
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