Uploaded January 2025 | Updated September 2026, 2 weeks ago

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In this video, we will show you how to resolve SSL warnings that may occur when connecting or creating tasks using Synology Drive Client, Synology Drive ShareSync, or the Synology Drive mobile app.

1:00 Obtain a Free Let's Encrypt Certificate
2:19 Create a Certificate Signing Request and Import a Third-Party Certificate

Learn more:
What are some common Synology Drive Client sync or backup task issues and how can I fix them? kb.synology.com/DSM/tutorial/Synology_Drive_Client_issues_solutions#x_anchor_id782729a0d1
How can I fix common SSL issues for Synology Drive Client, Synology Drive ShareSync, and Synology Drive mobile app?
kb.synology.com/DSM/tutorial/common_SSL_issues_for_drive_client
My Synology self-signed certificate expired. What can I do?
kb.synology.com/DSM/tutorial/My_Synology_self_signed_certificate_expired
How to Configure HTTPS on Synology NAS Using Let's Encrypt
youtu.be/T8s_OUTwgXo?si=tXga_LuIYR6W4nIU

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