Symptoms
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The following warning is displayed in Plesk at Domains > example.com > SSL/TLS Certificates:
Warning: SSL/TLS support is disabled for example.com.
To resolve the issue, please enable to SSL/TLS support ("Websites & Domains" > "Hosting Settings") for this domain and try again. -
The "Get it free" button is greyed out or it is only possible to secure webmail for a domain (other options are missing) at Domains > example.com > SSL/TLS Certificates > Install:
Cause
It is not possible to install an SSL certificate when SSL/TLS support is disabled. The behavior, when there is no warning about disabled SSL support, is considered as a bug with ID #EXTLETSENC-871.
Resolution
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Go to Domains > example.com > Hosting Settings.
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Enable SSL/TLS support.
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Apply the changes.
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