This section contains the known behaviors, system maximums, and limitations in hardware and software in Junos OS Release 17.4R3 for vSRX.
Root-authentication and Gateway in case of Static IP is a must in user-data for AWS. PR1297086
In J-Web, you cannot view the custom log files created for event logging. PR1280857
The values of address and address-range are not displayed in the inline address-set creation pop-up window of Juniper Identity Management Service (JIMS). PR1312900
Platform and Infrastructure
Click View Instances to display the instances list in the EC2 Dashboard. This might take several minutes to launch a vSRX instance. For the initial boot, the vSRX might show that one or two checks have passed until the instance is initialized. PR1296704
Upgrade and Downgrade
During an upgrade from Junos OS Release 17.3R1 to 17.4R1, if there is specific AppSecure configuration, configuration errors prevent normal boot up of devices in HA. PR1317563