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As SQL Safe 9.5 continues to use the WCF communication protocols introduced in 9.3 introduces new CWF protocols, it . It is important to understand the impact on compatibility with older agent versions. This guide provides essential information to help you upgrade effectively.

• Incompatibility with older agents:
  
With the introduction of CWF in SQL Safe 9.3, previous agent versions
• Agents older than 9.3 (including 9.2.2 and lower) that do not include the
CWF changes are no longer
• new protocols are not supported in a mixed-version environment with SQL Safe 9.5.
• Backup processing:
  Previously, you could upgrade the Management Service while still using older agent versions. However, upgrading the Management Service to 9.5 will prevent communication with
those prior agent versions
• agents older than 9.3 (including 9.2.2 and lower), as they do not
use
• support the new
CWF
• protocols.
  
Although
• These older agents will still process backups, but their statuses will not be
sent
• reported to the Management Console.
 
• 
  Agents 9.3, 9.4, and 9.5 remain fully compatible with each other.
• Upgrade wizard:
  SQL Safe 9.5 provides a mass upgrade wizard to simplify the upgrade process for agents.
  
  

By following this guide, you can ensure a successful transition to SQL Safe 9.3 5 version while minimizing potential disruptions.