When accessing OWA offsite or internally I get this error: Turn on TLS 1.0, TLS 1.1, and TLS 1.2

Hi
We are having exchange 2007
When accessing OWA offsite or internally I get this error: Turn on TLS 1.0, TLS 1.1, and TLS 1.2 in Advanced settings and try connecting to

This has happened all of sudden

I read similar issue in the link below and it says:
https://www.experts-exchange.com/questions/28677196/When-accessing-OWA-offsite-or-internally-I-get-this-error-Turn-on-TLS-1-0-TLS-1-1-and-TLS-1-2-in-Advanced-settings-and-try-connecting-to.html

Found the fix myself, Went to exchange certificates, right click, assign services to: IIS.... some how the service had gotten unassigned
Not sure how to do this , plaese hep to resolve this isuue

Thanks
lianne143Asked:
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MASEE Solution Guide - Technical Dept HeadCommented:
Please enable IIS on certificate and check using the below command. Please check step4 in this article
https://www.experts-exchange.com/articles/13676/Out-Of-office-not-working.html
Enable-ExchangeCertificate -Services IIS, SMTP -thumbprint 896B74B25F7EBF330C93E56DA2A76CFC6A7

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IvanSystem EngineerCommented:
Hi,

take a look at picture attached. Not sure if that is what has happened to you, but this is how you would attach certificate to back end or fron end, in case they got unattached.

Regards,
Ivan.
Exchange-SSL-problem.jpg
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