An older version of Symantec Protection Engine (SPE) is installed and needs to be upgraded. According the the upgrade requirements documentation an upgrade to SPE 9.x cannot be performed unless the version is 8.2.2 or later.
SPE 8.2.2 was removed from the product download site because it is EOS as of June, 2024
How can older versions of SPE be upgraded to version 9.x ?
Attached to this article are the installation packages that can be used to upgrade SPE to 8.2.2. After upgrading to 8.2.2 the engine can immediately be upgraded to SPE 9.x.
Symantec_Protection_Engine_CS_8.2.2.7_Linux_IN.zip { SPE for Cloud on Linux }
Symantec_Protection_Engine_CS_8.2.2.7_Windows_IN.zip { SPE for Cloud on Windows }
Symantec_Protection_Engine_NAS_8.2.2.7_Linux_IN.zip {SPE for NAS on Linux}
Symantec_Protection_Engine_NAS_8.2.2.7_Windows_IN.zip {SPE for NAS on Windows}