Exchange 2016 and Windows Server 2016 OWA issue

16/03/2017 0 Comments

Exchange, Microsoft IIS

When using Exchange 2016 with Windows Server 2016, you may get this issue, when you open OWA:

“ERR_SPDY_INADEQUATE_TRANSPORT_SECURITY”

This is displayed in Google Chrome.

This is due to enabled SSL ciphers that are outdated on IIS, and can be “lock down’ed” with this free utility:

https://www.nartac.com/Products/IISCrypto

Run it on the Exchange server and press “Best Practices” and Apply, reboot the server, and everything is now fixed 🙂

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