64210: Acronis Cyber Protect Cloud: backup fails with TLS/SSL-related errors

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    Last update: Fri, 2020-05-01 06:16

    Symptoms

    Backup fails with an SSL/TSL-related error:

    Error code: 43712912
    Fields: {"$module":"disk_bundle_vsa64_15300","function":"astor_get_space_usage","path":"/"}
    Message: SSL protocol error

    In PCS log, you can find this error:

    TLS connect failed with error 'error:1409441B:SSL routines:ssl3_read_bytes:tlsv1 alert decrypt error'

    Cause

    The error indicates a network configuration issue in the environment where the product is installed.

    Solution

    1. Use Connection Verification Tool and check its output for errors.
    2. Allow outbound connection to these hostnames and IP addresses.
    3. Allow Acronis processes through your firewalls and antimalware software. Allow Acronis software through application control of your firewalls and antimalware software.
    4. Use OpenSSL and check its output for errors.