Need help signing in?

We’re sorry you’re having trouble signing in to Lync. Here are answers to some common sign-in questions.

How do I sign in to the Lync app?

You need a sign-in address and password from an organization that uses Lync Server, or has a business subscription to Microsoft 365. If you’re already using Lync on your desktop, then you have a Lync account. 

How do I reset my password?

If you forgot your password, or it doesn’t work anymore, contact your workplace technical support—typically the person who set up your Lync account for you. Provide them with these links:

What’s the format of my sign-in address and user name?

Your sign-in address looks like this:

You may be asked for both a user name and a sign-in address. The user name is what you use to sign in to your organization’s network, either or domain\username.

Do I need to enter proxy settings?

If you’re behind an authenticated proxy, you’ll need to provide proxy authentication information, as follows.

  • From the My info screen, tap More (…), tap Settings, and then tap Proxy setting and enter your proxy settings.

When do I need to manually specify an auto-discovery server?

If you can’t sign in, you might need to manually specify the auto-discovery server. For more information contact your technical support team.

I’m trying to sign in on Lync 2010 server but I have the Lync 2013 app installed

If you’ve installed the Lync 2013 app on your mobile device but are trying to sign in to the Lync 2010 Server, uninstall the Lync 2013 app and install the Lync 2010 app. To install the Lync 2010 app, do the following:

  1. From your Windows Phone, go to the Store, and search for Microsoft Lync 2010.

  2. Tap the Install button. As soon as the app is installed, it appears on your phone.

How long do I stay signed in on the Lync app for Windows Phone?

Once you’re signed in you’ll remain signed in as long as there is connectivity. If you have connectivity but haven’t used the application for 10 days, you’ll be signed out.

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