Regarding your question:
9.1 Client upgrade package contains a zstop that does not work with v7.9 clients.
Please try the following:
Navigate to PRIMARY > SOFTWARE > ZSERVICE and select appropriate Agent Migration
Service as per your operating system:
n For Linux - RCA Agent 0910 Upgrade Linux
n For Macintosh - RCA Agent 0910 Upgrade Mac86
n For Windows - RCA Agent 0910 Upgrade Windows
3. Update ZSTOP expression for your operating system as given below:
Operating
System Current ZSTOP Value Change To
Windows EDMGETV(ZMASTER,ZPKGRELI)
='V0910.20140131'
EDMGETV(ZMASTER,ZPKGRELI)
='V910.20140131'