5.2

Connection Problems Between View Client and the PCoIP Secure Gateway
You might experience connection problems between View Client and a security server or View Connection
Server host when the PCoIP Secure Gateway is configured to authenticate external users that communicate
over PCoIP.
Problem
View clients that use PCoIP cannot connect to or display View desktops. The initial login to a security server
or View Connection Server instance succeeds, but the connection fails when the user selects a View desktop.
This
issue occurs when the PCoIP Secure Gateway is configured on a security server or View Connection Server
host.
NOTE Typically, the PCoIP Secure Gateway is leveraged on a security server. In a network configuration in
which external clients connect directly to a View Connection Server host, the PCoIP Secure Gateway can also
be configured on View Connection Server.
Cause
Problems connecting to the PCoIP Secure Gateway can occur for different reasons.
n
Windows Firewall has closed a port that is required for the PCoIP Secure Gateway.
n
The PCoIP Secure Gateway is not enabled on the security server or View Connection Server instance.
n
The
PCoIP External URL setting is configured incorrectly. You must specify this setting as the external IP
address that View clients can access over the Internet.
n
The PCoIP External URL or secure tunnel External URL is configured to point to a different security server
or View Connection Server host. When you configure these two external URLs on a security server or
View Connection Server host, both external URLs must be addresses for the current host.
n
The View client is connecting through an external web proxy that has closed a port required for the PCoIP
Secure Gateway. For example, a web proxy in a hotel network or public wireless connection might block
the required ports.
n
The View Connection Server instance that is paired with the security server on which the PCoIP Secure
Gateway is configured is version View 4.5 or earlier. The security server and paired View Connection
Server instance must be View 4.6 or later.
Solution
n
Check that the following network ports are opened on the firewall for the security server or View
Connection Server host.
Port Description
TCP 4172 From View Client to the security server or View Connection Server host.
UDP 4172 Between View client and the security server or View Connection Server host, in both directions.
TCP 4172 From the security server or View Connection Server host to the View desktop.
UDP 4172 Between the security server or View Connection Server host and the View desktop, in both directions.
n
In View Administrator, enable the PCoIP Secure Gateway and make sure that the PCoIP External URL is
configured correctly.
a Click View Configuration > Servers.
b Select the security server or View Connection Server instance and click Edit.
Chapter 16 Troubleshooting View Components
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