Changing the Lync Client Toast Timeout Behavior

September 6, 2012

in Lync, Microsoft

One thing that I hear out from customers is that the default timeout behavior of the Lync client is too short.  10 seconds to be exact.  The timeout I’m referring too is when the incoming IM toast pops up and the client auto accepts the IM.  This behavior was a big sore spot when introducing mobile devices where the client would auto-accept an incoming IM before the recipient could actually launch the mobile client.  This resulted in lost IM history or dual IM conversations and was an unpleasant experience for the user.

So today I just learned from a fellow colleague (thanks Chris!!!) that the desktop client behavior can be modified through a registry setting.

In seconds (10-30):


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Richard September 7, 2012 at 7:51 am

Great trick, thanks!
By the way, do you know any document that reveals all these registry keys, or MS keeps them in secret under capital punishment NDA?

Matt September 11, 2012 at 10:24 am

Unfortunately I do not know all the secret keys nor have I found a document explaining them.

Sunita October 23, 2012 at 9:54 am

Hi Matt, I dont see the registry setting on my XP machine. Should i create this key. We have the feedback as well where people loose there IM’s.


Matt November 28, 2012 at 4:22 pm

Yes, you will need to create the key.