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I am using IIS 10 on Windows 2016

Whenever I update my SSL certificate and apply that to binding IIS doesn't use that but keeps using the old certificate.

Things what I have tried till now -

  1. Restart website
  2. Restart App Pools
  3. Restart IIS
  4. Deleting old certificate from IIS /Windows store

Rebooting Windows does solve it everytime.

LazyProgrammer
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  • Here same, too. Only a reboot helped. – Uwe Keim Dec 13 '17 at 22:25
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    In [this article](https://github.com/Lone-Coder/letsencrypt-win-simple/wiki/HTTPS-Binding-With-Specific-IP#resolution) they write "_…you may have to wait for the Application Pool's Idle Timeout time is reached. Restarting or recycling the Application Pool/ IIS/ Server will not change the certificate. Only waiting for the Idle Timeout time will change the certificate…_" — So maybe waiting is sometimes the only option. – Uwe Keim Dec 13 '17 at 22:30

1 Answers1

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If you have a firewall or Load Balancer, you will need to install the certificate there too. had same issue and that was the fix.

Mamdouh Emam
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