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Probleme new certificat SHA256

Posted on 2016-09-01
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Last Modified: 2016-09-16
Hi evryone,
I had very strange problem,
After Suyces a Migration PKI to SHA2
13.pngand deploy new certificat in GPO and 802.1x
I had this problem authentication with workstation with Win7, after deployed a new certifcat sha256 and reboot Workstations i can't athentificat and the worksattions we have a IP adress 169.
But in windows 10 and 8 the workstation worked normally with new certificat
Firstly i think the origin of problem is :  KB3033929
Thank you for advance.
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Question by:Alain VOUCHE
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Expert Comment

by:Dave Baldwin
ID: 41779372
IP address 169.x.x.x means that you do not have a network connection.  I don't think it has anything to do with your certificate.  With IP address 169.x.x.x that means the connection is not getting far enough to even check the certificate.
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Author Comment

by:Alain VOUCHE
ID: 41779425
Thank you Dave for your answer,
 Yes, i Know IP address 169 is automaticall adress APIPA
but the workstations with win10 and win 8 worked normally, so no problem in network
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LVL 84

Expert Comment

by:Dave Baldwin
ID: 41779444
Sorry but IP address 169 by definition means there is a problem in the network, at least for that workstation.  As long as it shows IP address 169, it will not be able to connect to other computers on the local network because it won't be on the same network segment.
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Author Comment

by:Alain VOUCHE
ID: 41779452
Yes, i am totally agree with about this,
But why if i roll back  and i delete new certificat in this workstation i don't have a problem authentifcation and we had address ip 172
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Author Comment

by:Alain VOUCHE
ID: 41779453
and all workstation with win 10 and 8 worked normally with new certificat
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Dave Baldwin earned 2000 total points
ID: 41779466
That doesn't make any sense so maybe I'm missing something.  Do your workstations have to 'authenticate' to the DHCP server to get an IP address?  This article doesn't make a lot of sense to me: https://support.microsoft.com/en-us/kb/3033929
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