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Nitin,

On 6/18/19 13:50, Nitin Kadam wrote:
> Hello,
> 
> I want to renew current SSL certificate So I am confused. Do I need
> to recreate keystore and csr for new certificate.
> 
> If I have to create new keystore, how I can create same on existing
> running setup.

You do not need to create a new key, but it would be a goods idea to
create a new one, just in case your old key has been compromised. It's
really not that complicated to create a new key.

Keep your old keystore with no changes. Create a new keystore with a
new key and new certificate. Get the cert signed by a CA and import
the signed cert back into your keystore, along with any of the CA's
intermediate certificates that may be necessary.

This process has been documented many many times on the web.

- -chris

> On Thu, Jun 13, 2019, 12:11 PM Ognjen Blagojevic < 
> ognjen.d.blagoje...@gmail.com> wrote:
> 
>> Nitin,
>> 
>> On 13.6.2019. 07.37, Nitin Kadam wrote:
>>> I have apache tomcat server running with publicly signed SSL
>>> certificate configured in server.xml, the same certificate is
>>> expiring in next week,
>> I
>>> need steps to the to renew of same. *Server OS: Windows 2012
>>> R2* *Apache Tomcat/8.5.38*
>>> 
>>> 1. How to generate new CSR with new key alias 2. How to import
>>> the new. cert & intermediate certificate chain in .jks format 
>>> 3. what about keystore & current key alias
>>> 
>>> 
>>> kindly guide me, as I will be performing same first time.
>> 
>> You can find instructions here:
>> 
>> 
>> http://tomcat.apache.org/tomcat-8.5-doc/ssl-howto.html#Installing_a_C
ertificate_from_a_Certificate_Authority
>>
>>
>> 
Regards,
>> Ognjen
>> 
> 
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