Hello,
This is not related to stunnel.
You have to check the Authority that delivered your certificate and ask them for a renewal (charged around 400$ per year...).

Maybe YOU are the authority : if you have a custom CA on your windows server....you have to check this as well: in that case it is a MS server issue...

To check the AUTHORITY that delivered your cert : you can import it in eg, Mozilla Firefox, and look inside it by :
Tools/Advanced/Cryptography (sorry but I am translating from french menus...):
Show/Display the certificates
Choose the one of interest (or import it now ! you should import the CRT file that is mentioned in your stunnel.conf file),

Click on Show/see button ...General tab...

et voilà !

Regards
Pierre

Le 09/06/2014 20:32, Andrew Smith a écrit :

I am pretty new to Stunnel as I have inherited the project at my company. Yesterday the certificate expired on our Windows Server 2008 for Stunnel. What are the steps to renew this certificate?

Andrew Smith
Support Technical Services Analyst

P: 614-875-4910 x109
F: 614-875-4088
E: andrew.smith@harriscomputer.com

6110 Enterprise Parkway
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www.harris-schoolsolutions.com

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