Forum Discussion
Dominic Russell
Dec 19, 2021Copper Contributor
Exchange 2013 The certificate key algorithm is not supported
Hello, We have an Exchange 2013 server, updated to CU23, which worked fine until one day, it showed the error on OWA "The certificate key algorithm is not supported"! I tried to put back an older...
surajbudhani
Microsoft
Dec 29, 2021Can you check in IIS which Certificate is selected?
- Dominic RussellDec 29, 2021Copper Contributor
I tried them all, even the one installed originally by Exchange, none are working, they all generate this error.