Symptoms
After installing PNAgent 8.0 from ica32pkg.msi, SSON (Single Sign On) may fail.
Cause
PNSSON does not get registered with the system.
Resolution
WARNING! Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Use Registry Editor at your own risk. Make sure you back up the registry before you edit it.
1. Create a .reg file and include the following text.
NOTE: The drive letter in the ProviderPath may be different on some systems, adjust it accordingly:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PnSson]
"Type"=dword:00000004
"IsEnabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PnSson\NetworkProvider]
"ProviderPath"="C:\\Program Files\\Citrix\\ICA Client\\pnsson.dll"
"Class"=dword:00000002
"Name"="Citrix Single Sign On"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PnSson\Enum]
"0"="Root\\LEGACY_PNSSON\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001
3. Execute the .Reg file.
4. Reboot the system.
More Information
CTX368624 – Troubleshooting Citrix Pass-through Authentication (Single Sign-On)
