Error on T10 connecting to XenApp 6.5 farm

We are working on a upgrade of our Citrix XenApp envioment from version 5 to 6.5, and now we got a strange problem on our WYSE T10 (Image 7.1_207) terminals
It works fine, when it connects to the Citrix XenApp farm version 5, and the user section of the wnos is here.

privilege=1

resolution=DDC

inactive=150

Locale=English Load=Yes LocaleList=German, English, Dutch

Language=Dk Charset=ISO-8859-1

PnliteServer=http://xaweb.FQDN/Citrix/PNAgentpc/config.xml

DomainList=”domain-name”

SessionConfig=ICA

CONNECT=ICA
BrowserIP=xadcs01
Application=”FULL DESKTOP H”
Description=”User Desktop”
Icon=default
Username=$UN
Password=$PW
domainname=$DN
AutoConnect=1

Exit=all

When we change the user setting to connect to the new Citrix XenApp 6.5 farm we got error, the user section of the wnos.ini file is change to this.

privilege=1

resolution=DDC

inactive=150

Locale=English Load=Yes LocaleList=German, English, Dutch

Language=Dk Charset=ISO-8859-1

PnliteServer=http://xa65web.FQDN/Citrix/PNAgentqapc/config.xml

DomainList=”domain-name”

SessionConfig=ICA

CONNECT=ICA
BrowserIP=xa65dcqas01.FQDN
Application=”Full Desktop H”
Description=”User Desktop”
Icon=default
Username=$UN
Password=$PW
domainname=$DN
AutoConnect=1

Exit=all

When we start the terminal we got a connection timeout and in the event log we got this

Citrix sign-on to http://xa65web.FQDN/Citrix/PNAgentqapc/config.xml
ICA: pnhost = “xa65web.FQDN”
ICA: Connectine to „User Desktop” …
DNS/WINS can’t resolve [Full Desktop H]
Socket connect: Connection timed out
ICA[Full Desktop H]: Connection timed out

The farm is working and it is possible to start the Full Desktop H manually.

I have also tried to use the application name, but it’s the same.
Application name = FullDesktopH
Display name = Full Desktop H

On a computer it is working correctly.

Could somebody see whats wrong with the solution?