# New certificate are not visible from all client

**URL:** <https://discuss.konghq.com/t/new-certificate-are-not-visible-from-all-client/8537>\
**Category:** Questions\
**Created:** [June 15, 2021, 6:44am UTC](https://discuss.konghq.com/t/new-certificate-are-not-visible-from-all-client/8537 "2021-06-15T06:44:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![harf18](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.konghq.com/harf18/32/2807_2.png) [@harf18](https://discuss.konghq.com/u/harf18)\
**Post date:** [June 15, 2021, 6:44am UTC](https://discuss.konghq.com/t/new-certificate-are-not-visible-from-all-client/8537/1 "2021-06-15T06:44:44Z")

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Hello,  
Yesterday, I installed a new SSL certicate on our kong cluster with a PATCH to admin api and all was fine.  
On my PC, a curl command return “SSL certificate verify ok”.

But, today, some issue have been reported to me : I try the same command on another client and i have SSL certificate problem: “certificate has expired”. On this PC, the command echo -n | openssl s\_client -connect api.xxxxx.xx:443 | openssl x509 -outform PEM return the Kong autosigned certificate :

depth=0 C = US, ST = California, L = San Francisco, O = Kong, OU = IT Department, CN = localhost  
verify error:num=18:self signed certificate  
verify return:1  
depth=0 C = US, ST = California, L = San Francisco, O = Kong, OU = IT Department, CN = localhost  
verify error:num=10:certificate has expired  
notAfter=Jun 13 14:28:37 2019 GMT  
verify return:1  
depth=0 C = US, ST = California, L = San Francisco, O = Kong, OU = IT Department, CN = localhost  
notAfter=Jun 13 14:28:37 2019 GMT  
verify return:1

Do you have an idea ?

Thanks