COM Port Isolation Mode

If "Full Isolation" mode is chosen, virtual serial ports are visible and accessible within user sessions only. In this mode COM port names can have the same names in different user sessions. Important: system services (like spoolsrv.exe) are not able to access isolated serial ports in such case".

If "Isolation Disabled" mode is chosen, virtual serial ports are visible globally. Any port can be accessed from any session. Limitation: port names must be unique for every user (so the ports cannot have the same names in different user sessions). Important: system services (like spoolsrv.exe) can access any serial ports".

If this policy setting is not configured, Serial Redirection operates in "Full Isolation" mode.

COM Port Isolation Mode:

0. Full Isolation
   

   Registry Hive	HKEY_LOCAL_MACHINE
   Registry Path	SOFTWARE\Policies\VMware, Inc.\VMware VDM\SerialCOM\Agent\Settings
   Value Name	IsolatePorts
   Value Type	REG_DWORD
   Value	1

1. Isolation Disabled
   

   Registry Hive	HKEY_LOCAL_MACHINE
   Registry Path	SOFTWARE\Policies\VMware, Inc.\VMware VDM\SerialCOM\Agent\Settings
   Value Name	IsolatePorts
   Value Type	REG_DWORD
   Value	0