Symptoms
After update Parallels Helm Control System to 4.1 on Windows 64-Bitsystems, "Parallels Helm 4.1 Network Service" service stops working (it
doesn't listen on socket and doesn't produce any log files).
Affected systems
Parallels Helm 4.1.0Microsoft Windows Server 2003 64-Bit
Microsoft Windows Server 2008 64-Bit
Problem explanation
There is a weak in Helm4to4.1UpgradeTool which switch "Parallels Helm4.1 Network Service" service into 32-Bit mode, but does not synchronize
"SOFTWARE\WebHostAutomation" registry keys for 32 and 64-Bit modes.
Resolution
You can workaround the problem manually or using special utility.Manual fix:
1.Export "SOFTWARE\WebHostAutomation" registry key using 64-Bit
"regedit" utility:
a) Type "regedit" in the Run dialog (Start menu->Run)
b) Select "HKEY_LOCAL_MACHINE\SOFTWARE\WebHostAutomation" key
c) Export the key using File->Export menu
d) Close "regedit" utility
2.Import exported data using 32-Bit "regedit" utility:
a) Type "%systemroot%\SysWOW64\regedit.exe" in the Run dialog (Start
menu->Run)
Note: c:\windows - is Windows installation location
b) Import exported file using File->Import menu
3.Restart "Parallels Helm 4.1 Network Service" using Parallels Helm
Configuration Tool.
Using utility:
1.Download extract and run "SyncWOW6432Node.exe" utility.
2.Restart "Parallels Helm 4.1 Network Service" using Parallels Helm
Configuration Tool.