Friday, February 22, 2013

Location of the “TrustModelData: registry key for the Lync 2013 Client

Those who are familiar with the certificate warning message:

Lync cannot verify that the server is trusted for your sign-in address. Connect anyway?

… that is presented by the Lync 2010 client when signing into a domain that is different than your sign in address:

address:
Lync Server FQDN: lync2010.terence.local

… may have come across the following Microsoft KB that demonstrates a way to add trusted sign-in addresses via the registry to prevent this prompt:

The KB article states that the following registry locations is where the TrustModelData REG_SZ is supposed to be created:

  • HKEY_CURRENT_USER\Policies\Microsoft\Communicator
  • HKEY_LOCAL_MACHINE\Policies\Microsoft\Communicator

This works great in the Lync 2010 Client but while tackling an issue I had with the new Lync 2013 Client this week (I will write a separate post about it), I noticed that the location has changed for the new client and the new location is the following:


Name: TrustModelData
Type: REG_SZ


If more than one domain is required for the trusted sign-in address then it can be entered in the following format:


… where the domains are separated by a comma and a space.


Anonymous said...


Jonatan said...

Good post!
On a sidenote, that feature has also been added to the lync 2013 group policy. Look for Trusted domains list

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