Here’s how to remove the Symantec Endpoint Protection icon from the tray in Citrix session.
Open registry editor on Presentation Server or XenApp server where applications are published.
Create a new DWORD (32-bit) key.
HKEY_LOCAL_MACHINE/System/CurrentControlSet/Control/Citrix/wfshell/TWI
Name of the value: SeamlessFlags
Value Type: REG_DWORD
Value: 0x20
Comments are welcome!