No progress on this issue?

---

I don't know. Rom told me he'd contact you.

---

This issue solved now, thanks Rom for troubleshoot in right direction.
The issue was broken winsock LSP that prevented communication between manager and client.

To help others with similar issue:

use

Netsh winsock show catalog

command to see list of installed LSPs.

Check if some antiviral soft or malicious soft put hooks there.

Use http://www.xp-smoker.com/downloads/xptcprep.exe or similar tool to return TCP/IP stack and winsock to default state.

EDIT: info about LSP: https://ru.wikipedia.org/wiki/Layered_Service_Provider
http://habrahabr.ru/post/162401/

---

May not be necessary to download anything. Try

netsh winsock reset

Usage: reset

Remarks: Resets Winsock Catalog to a clean state.
         All Winsock Layered Service Providers which were previously
         installed must be reinstalled.
         This command does not affect Winsock Name Space Provider
         entries.

and/or

netsh int ip reset

Usage: reset [name=]<string>

Parameters:

      Tag            Value
      name         - The name of a file to which to append information
                     regarding what settings were reset.

Remarks: Resets TCP/IP and related components to a clean state.

Examples:

       reset resetlog.txt

Both require a reboot after use.

But glad you got it sorted eventually, anyway.