Lync 2013 – Removing the delay in the address book download on the Lync client

Hello All

This is a quick lunchtime blog post on something I’ve been asked to complete for a client. The client has a lot of hot-desking users internally and therefore want to remove the delay in the address book syncing each time a user logs onto a hot-desk machine.

Its worth noting I would not recommend this as part of a standard deployment, and as stated this is only for the machines that are to be used as hot-desks.

So to enable/remove the delay we will firstly start by ensuring the address book is syncd with Active directory. To do this we have to run the following command from the Lync powershell on your frontend server (if you are running enterprise edition any frontend with LPS will be fine to use)


The syncing can take several minutes so its worth being patient. 🙂

Once you are sure that the sync is complete we then need to move onto a Hot-desk machine OR machines and do the following

(Ensure the Lync client is not running and also ensure the Lync application process isn’t started)

go to start, then Run and paste in the following registry information. (ensure you have the rights to add the reg addition)

reg add HKLM\Software\Policies\Microsoft\Office\15.0\Lync /v GalDownloadInitialDelay /t REG_DWORD /d 0 /f

Now you’ve added this, its now time to test. Either do the following options

1 – If you’ve logged onto the hotdesk/machine before and you’ve already sync’d your address book, then using the Run cmd again goto the following location and delete the folder which starts with sip:<and your sip name> Ensure its removed from your recycle bin also


2 – If you haven’t logged into the machine before simply open the Lync 2013 client and wait a couple of seconds.

That’s it for this Lunchtimes blog post. More tomorrow.


Iain Smith


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