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Does anyone have a step by step instructions on how to renew the TLS certificate on Exchange 2007 hub servers? <br />
Do I need to purchase the certificate for just the FQDN or both the hostname and the FQDN?<br />
What is the command line in powershell to renew it?<br />
<br />
Thanks
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Does anyone have a step by step instructions on how to renew the TLS certificate on Exchange 2007 hub servers? 
Do I need to purchase the certificate for just the FQDN or both the hostname and the FQDN?
What is the command line in powershell to renew it?

Thanks

Renewing a TLS certificate on Exchange 2007 hub role server

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.