x.509 question

[Israel Torres <israel.torres@litronic.com>]

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Hello,
 
    I am trying to troubleshoot a digital certificate. My question is:
Can a valid X.509 certificate contain more than one OU (organizational
unit) for the subject of the certificate? Currently it appears that the
cert I am examining is not being accepted by an IIS 5 server, and I was
wondering if it was because of the dual ou's. the first ou is a "random
number" for "serialization" purposes, and the second ou matches the
server's ou. Any help would be appreciated!
 
Thanks!