Lync on Remko's Blog

Lync Client Password Recovery

Mon, 12 Mar 2012 23:25:51 +0000

I wrote a small tool that dumps all stored password for the Microsoft Lync Client that I'd like to share here.

It's a commandline tool that takes no arguments:

Have fun with it!

Running multiple instances of Lync (howto)

Wed, 07 Mar 2012 22:55:37 +0000

Yesterday I showed a video demonstrating it's possible to run multiple instances of the Microsoft Lync 2010 client simultaneously.

A little warning before we go on: the Lync Client was not designed to run with multiple instances. Or better said: it was designed specifically to prevent this, let's see how it does this:

On startup Lync calls an internal function called COcAppNoUI::InitializeMainInstance. In this function it creates a Mutex named "Office Communicator_" in the Global namespace. It also creates an Event in the Global namespace called "COMMUNICATOR-".

When a second instance of Lync is launched it checks if the Global Mutex exists and if it does it fires the Global Event. The Main instance has a thread that waits for this event using the WaitForMultipleObjects API.

Run multiple instances of Lync 2010–POC

Tue, 06 Mar 2012 19:27:23 +0000

This video shows that's it's possible to run multiple instances of the Lync 2010 client.

Lync on Remko's Blog

Lync Client Password Recovery

Running multiple instances of Lync (howto)

Run multiple instances of Lync 2010–POC

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