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tomo999
Here To Stay

United Kingdom
179 Posts
Status: offline
Posted - 04/26/2012 :  10:26:48 AM  Show Profile  Reply with Quote
Hello,

Has anyone deployed an internal installation of Microsoft Lync using a Public CA certificates?

At the moment, we do not have an internal CA to request certificates from and I wondered if there were any issues with using Public CAs for Lync?

I guess you will have to manually update the certificates when they expire, but is there anything else I need to be aware of?
Matt.

Failure is an indispensable prerequisite of success. It is how you learn the lessons you need.

clarinathan
Moderator

United Kingdom
4893 Posts
Status: offline
Posted - 04/26/2012 :  10:50:37 AM  Show Profile  Visit clarinathan's Homepage  Click to see clarinathan's MSN Messenger address  Reply with Quote
No that should be absolutely fine. The only reason it is not done sometimes is due to cost. Cheers
Nathan
Nathan Winters - [MSFT] - Exchange Technical Specialist

Checkout my blog:
http://www.nathanwinters.co.uk
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Jazzy
Administrator

Netherlands
1929 Posts
Status: offline
Posted - 04/26/2012 :  10:57:29 AM  Show Profile  Visit Jazzy's Homepage  Click to see Jazzy's MSN Messenger address  Reply with Quote
I did this recently for a customer with many non-domain members in the internal network. It made no sense to use the AD Enterprise Root CA because this meant we had to distribute the CA cert to the clients.
Jetze Mellema

Exchange specialist
Former MVP (2005-2012)
My blog: http://jetzemellema.blogspot.com (Dutch)
My company: http://www.imara-ict.nl/
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tomo999
Here To Stay

United Kingdom
179 Posts
Status: offline
Posted - 04/26/2012 :  12:16:43 PM  Show Profile  Reply with Quote
I would look to deploy a new AD Root CA if there were a lot of other services which require certificates, but I'm getting to the tipping point where managing the additional servers etc. actually cost more than buying certs from a public CA!

I think I'll go the public CA way. Thanks for the quick reply.
Matt.

Failure is an indispensable prerequisite of success. It is how you learn the lessons you need.
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NMDANGE
Honorable But Hopeless Addict

USA
2054 Posts
Status: offline
Posted - 04/26/2012 :  2:22:25 PM  Show Profile  Visit NMDANGE's Homepage  Reply with Quote
The Lync implementation at my organization uses 100% public certificates for the same reason - lost of non-domain PCs.
Michael D'Angelo
(former)MVP-MIIS, Pace University Senior Systems Administrator (Windows)
(MS)NMDANGE
PhoeniX WorX Systems Administrator. If you play Total Annihilation, please join us. http://www.phoenixworx.org
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