Smart Cards issued from different PKIs


can use smart cards issued 3 different pkis authentication (one internal, 2 external)? i've read info regarding internal issued cards internal ca or third party issued cards external pki.

do smart cards need issued same pki the dc certificates?

internally issued smart cards will probably use the user's upn external cards not have correct upn. i beleive the external cards would need auth certificate mapped user's account in ad, correct?

information regarding the environment:

  • domain: 2003, upgraded 2008 r2
  • clients: xp , 7
  • internal ca: 2008

thanks much!

yes, possible. there minimum requirements:

1) pkis must trusted clients , servers (including domain controllers). can accomplished publishing pki's root certificates ad rootca container.

2) issuing cas certificates must published ad ntauthca container (actually record in ad).

regarding upn's. smart card logon certificates should contain correct upn. because smart card logon don't support explicit certificate mapping (when certificate compared certificates published under user account object in ad) , these certificates mapped implicitly (by comparing certificate contained upn).


my weblog: http://en-us.sysadmins.lv
powershell pki module: http://pspki.codeplex.com


Windows Server  >  Security



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