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[SRX] Dynamic VPN minimum requirements for SRX and VPN client

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Knowledge Base ID: KB17436
Last Updated: 29 Dec 2016
Version: 11.0


This article provides information about the minimum Dynamic VPN requirements for the VPN client and the SRX device.


The Dynamic VPN client is unable to establish a connection to the SRX.


It is usually the case that a connection cannot be established because the minimum requirements for the VPN client and the SRX device are not met.


The minimum requirements for the client and the SRX device are listed below. Check to see if your client and SRX device meet the minimum requirements.

SRX Requirements

The Dynamic VPN feature is supported by the following SRX devices and Junos releases:

SRX100, SRX110, SRX210, SRX220, SRX240, SRX650
SRX550 =>Supported from 12.1 and later
SRX 550M => Supported from 15.1x49D60
SRX 300 series => Supported from 15.1x49D60
SRX 1400 series =>  Not supported yet
SRX 1500 series => Not supported yet
SRX 3000 series => Not supported yet
SRX 4000 series=> Not supported yet
SRX 5000 series => Not supported yet
The supported platforms are also documented in the Feature Explorer

For high-end SRX devices, currently there is no support for Dynamic VPN.

Client Requirements

The client can be downloaded from the SRX device at the Dynamic-vpn login page.

If the SRX device is running Junos 11.1 or later, the Pulse Secure client for Windows is downloaded. To identify which version of the Junos Pulse client is being downloaded, refer to KB22857 - How to find the Junos Pulse version in SRX and the Pulse client.

For further information on supported operating systems for Pulse Secure, please refer to the website


Dynamic VPN is a licensed feature. By default, a two-user evaluation license is provided (free of charge) on SRX devices and it does not expire. When more than two users have to connect concurrently, a license is required.  For license ordering information, refer to the following datasheet:

If your client and SRX device meet the minimum requirements but you are still having issues establishing a connection, see KB17220 - Resolution Guide - SRX - Troubleshoot Pulse VPN connections to SRX .


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