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[SRX] Junos Pulse IPsec connections fail to connect to a SRX device with the Dynamic VPN feature

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Knowledge Base ID: KB23960
Last Updated: 28 May 2014
Version: 6.0


When using Junos Pulse, attempts to create an IPsec tunnel to the SRX device via Dynamic VPN fails. This article lists the client OS versions which are supported for Dynamic VPN connections on SRX.

Problem or Goal:

When using Junos Pulse on iOS, Android OS or Windows Mobile, or Pulse 5.0R2 and lower on MAC OS X,  attempts to create an IPsec tunnel to the SRX device via Dynamic VPN fail with the following message being generated:

Connection Error:  Unable to communicate with the server. (Error:1110)


Junos Pulse IPsec connections to an SRX via the Dynamic VPN feature are supported on Windows Desktop OS, and MAC OS X (10.7.3 or higher) clients only, as listed in the solution section below.  They are not supported on iPhone, iPad, Android, Blackberry, and Mac OS X.


Use a supported client. 

The SRX Dynamic VPN feature supports the following client OS versions:

Junos Pulse
  • Vista (32-bit and 64-bit)
  • Windows XP (32-bit and 64-bit)
  • Windows 7 (32-bit and 64-bit)
  • Windows 8.0 (32-bit and 64-bit)
  • Windows 8.1 (32-bit and 64-bit)
  • MAC OS X 10.7.3 or higher (available with Pulse 5.0R3 or higher)
Junos Access Manager
  • Windows XP 32-bit and 64-bit with any service pack
  • Windows Vista 32-bit and 64-bit with any service pack
  • Windows 7 32-bit and 64-bit with any service pack (Junos OS 10.4 and above only)

         *Reference: Access Manager Client-Side System Requirements

Juniper's SA Series solution supports other client operating systems, including iPhone, iPad, Android, Blackberry, Mac OS X.

For more information about the Dynamic VPN feature on SRX, refer to KB17436 - [Dynamic VPN] Minimum requirements for client and SRX device.

For more information about Pulse feature capabilities refer to KB27943 [Junos Pulse] Feature Matrix.


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