I am doing a long overdue upgrade from R75.20 to R80.10 and have just about nutted out the management server piece but want to make sure I don't break my gateways by upgrading the management server to R80.10 and the gateways are still at R75.20.
This is only a temporary measure until I can plan the gateway upgrades (most recommendations are to start from scratch rather than upgrade).
To provide the full picture, I am going from Windows Server 2008R2 R75.20 to Gaia R77.30 (different server name, different IP address). Once I get that sorted I'll go from R77.30 to R80.10. After that is complete I plan to do the security gateways (2 locations x 2 in HA mode).
Will the gateways continue to work with an R77.30 (and R80.10) management server ?