Supported Versions for Optimal Service Upgrade

Optimal Service Upgrade (OSU) supports these releases:

	Upgrade	to	version
Upgrade from version	R76	R77	R77.10	R77.20	R77.30	R80.10	R80.20
R80.10	x	x	x	x	x	x	Yes
R77.30	x	x	x	x	x	Yes	Yes
R77.20	x	x	x	x	Yes	Yes	Yes
R77.10	x	x	x	Yes	Yes	Yes	Yes
R77	x	x	Yes	Yes	Yes	Yes	Yes
R76	x	Yes	Yes	Yes	Yes	Yes	Yes
R75.40VS	Yes	Yes	Yes	Yes	Yes	Yes	Yes

Notes:

• For supported upgrade paths, see the Release Notes for the version, to which you wish to upgrade.
• "x" denotes that Optimal Service Upgrade does not support this upgrade.
• "Yes" denotes that Optimal Service Upgrade supports this upgrade path.