During an upgrade over a dual re MX960
##### initial status#####
Model: mx960
Junos: 19.3R2-S4.5
JUNOS OS Kernel 64-bit
#####Procedure######
1) The Junos version junos-vmhost-install-net-mx-x86-64-23.4R2-S2.1.tgz was uploaded in each re
2) After requesting to add the software it shows:
Verified junos-vmhost-install-net-mx-x86-64-23.4R2-S2.1 signed by PackageDevelopmentECP256_2024 method ECDSA256+SHA256
ERROR: junos-vmhost-install-net-mx-x86-64-23.4R2-S2.1 cannot be installed on Enhanced MX SCB 3
ERROR: Failed to add junos-vmhost-install-net-mx-x86-64-23.4R2-S2.1.tgz
warning: Host software installation has failed.
Firmware on the right version
root@re0-mx960> show system firmware | no-more
Part Type Tag Current Available Status
version version
FPC 1 ROM Monitor 0 0 ?? 0 OK
CB 0 SCBE3 I2CS CPLD 0 0.123.0 0.123.0 OK
CB 0 SCBE3 FPGA PRIM 1 0.31.0 0.27.0 OK
CB 0 SCBE3 FPGA GOLD 2 0.30.0 0.26.0 OK
CB 1 SCBE3 I2CS CPLD 0 0.123.0 0.123.0 OK
CB 1 SCBE3 FPGA PRIM 1 0.31.0 0.27.0 OK
CB 1 SCBE3 FPGA GOLD 2 0.30.0 0.26.0 OK
CB 2 SCBE3 I2CS CPLD 0 0.123.0 0.123.0 OK
CB 2 SCBE3 FPGA PRIM 1 0.31.0 0.27.0 OK
CB 2 SCBE3 FPGA GOLD 2 0.30.0 0.26.0 OK
Routing Engine 0 RE BIOS 0 0.30.7 00.30.7 OK
Routing Engine 0 RE FPGA 1 41.0.0 41.0 OK
Routing Engine 0 RE SSD1 6 12050 12050 OK
Routing Engine 0 RE SSD2 6 12050 12050 OK
Routing Engine 0 RE i40e-NVM 7 7.0 0 OK
Routing Engine 1 0 0.30.7 0 OK
Error appeared beacuse the VMhost net image is being used instead of the VMhost image.
junos-vmhost-install-net-mx-x86-64
After using the right image device was upgraded without issues.