Article ID: kb00049Last Modified: 15-Oct-2026
The underlying connection was closed
Problem
You’ve signed up for Managed Backup Service from MSP360 (CloudBerry), configured your companies and tenants (users), requested a custom build of the MSP360 (CloudBerry) backup product for your Microsoft Windows 2003 (Bare metal or Desktop). Once the software is downloaded and installed, you try to activate it but get the following error message:

This problem is related to an old OpenSSL protocol. To fix it, update the protocol.
Resolution
To resolve the problem, you need to obtain the following Microsoft hotfixes:
Make sure to reboot the server once the updates are done.