1. Lync 2014
6/12/2018
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Deep Dive into the Lync 2013 client sign in process
Lync Conference 2013
6/12/2018
CLNT400-R
Deep Dive into the Lync 2013 client sign in process
Brian R Ricks
Owner / Principal Consultant
BriComp Computers, LLC
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. Discovery

4. Lync Client Discovery Lync 2010 Lync 2013 Lync Mobile 201x
6/12/2018
Lync Client Discovery
Lync 2010
DNS SRV Lookup
Lync 2013
LyncDiscover
Lync Mobile 201x
Lync Phone Edition
Lync Windows Store App
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

5. Lyncdiscover vs. DNS SRV records
Lync Conference 2013
6/12/2018
Lyncdiscover vs. DNS SRV records
DNS SRV
LYNCDISCOVER
Multiple SRV Records Possible – varying costs
One A Record for inside and outside
Results return a Pool Name & Port
Results return Home Server, Edge Pool, Service Names, etc.
Supported on all Legacy Clients and Lync ‘Fat’ clients
Required for Mobility and Modern App
No query security
Certificate Trust required & Autodiscover requires Auth
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

6. Lync 2013 Client (2010) LyncDiscover SRV and DNS Web Queries
Check for Internal Record
If Internal fails (does not exist or certificate failure) check for External Record
If External fails process ends
SRV and DNS
Check for SRV record _sipinternaltls._tcp
Check for SRV record _sip._tls
Check for A record sipinternal
Check for A record sip
Check for A record sipexternal
Web Queries
If SIP registration is successful, internal/external names are provided and checked

7. Capture 1 – Internal Failure

8. Capture 2 – Internal Success LyncDiscover
Initial Login on Computer
Subsequent Logins on Computer

9. Capture 3 – Internal Success SRV
Initial Login on Computer
Subsequent Logins on Computer

10. Web Services
LyncDiscover Results

11. Web Services
Lync Autodiscover Results

12. Demo Lync 2013 Sign-In Discovery using:
6/12/2018
Demo
Lync 2013 Sign-In Discovery using:
Wireshark, Fiddler and Command Prompt
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

13. Lync Windows Store App LyncDiscover Web Queries
Check for Internal Record
If Internal fails (does not exist or certificate failure) check for External Record
If External fails process ends
Web Queries
If SIP registration is successful, internal/external names are provided and checked

14. Capture 1 – Internal Failure
Initial Login on Computer

15. Capture 2 – Internal Success
Initial Login on Computer
Subsequent Logins on Computer

16. Authentication

17. Lync SIP Registration
Basic Registration

18. Lync Client to Server Connection Issues Invalid SIP URI
Typos – Failure at LYNCDISCOVER
User Not Provisioned
Invalid/Expired Password
Typos – Failure at AD Auth
Hacks
Invalid Certificate
Private Root Certificate
Tools
OCSLogger
CLSLogging
Snooper

19. Capture – Bad SIP URI Lyncdiscover Deployed
SIP traffic never reaches Lync Server – will not see any attempts in the SIP Logs

20. Capture – Bad SIP URI cont’
DNS SRV only Deployed

21. Invalid Credentials
Good AD Creds, Wrong Lync Account
Bad AD Creds

22. Untrusted Certificate
Lyncdiscover – Fat client ignores HTTPS errors
But…Lync Server will not let the client on!

23. Demo
Lync Client to Server Authentication

24. Mobile Client

25. Lync 2013 Mobile (Apple iPad)
LyncDiscover
Check for Internal Record
If Internal fails (does not exist or certificate failure) check for External Record
If External fails process ends
Web Queries
If SIP registration is successful, internal/external names are provided and checked

26. Client Logs (from Apple iPad)
Lync 2014
6/12/2018
Client Logs (from Apple iPad)
Network Access Failure
External DNS Entry Missing
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

27. Questions?

28. Lync 2014
6/12/2018
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

29. MyLync allows you to create a custom experience and network with the Lync Community both online and in person.
With MyLync, you can:
Build your own personalized calendar while browsing all available sessions
View breakout session material including PPTs and Videos within 48 hours of each session
Participate in the Community and find people in your social networks who are attending and interact with speakers
Arrange meetings or social activities
Navigate the Exhibit Hall floor plan and learn more about our Sponsors
Fill out evaluations to win prizes
Log into MyLync at For MyLync support, please visit the Registration Desk.*
* Please note that adding a session to your calendar does not reserve a seat. Seating is on a first-come, first-served basis.

30. HANDS-ON LABS LRS You can also access labs on MyLync!
Monday, February 17
Tuesday, February 18
Wednesday, February 19
Thursday, February 20
3:00pm – 9:00pm
10:30am – 9:00pm
7:30am – 9:00pm
8:00am –1:30pm
Wednesday, February 19
8:30am – 9:45am
10:15am – 11:30am
1:00pm – 2:15pm
2:45pm – 4:00pm
4:30pm – 5:45pm
Thursday, February 20
9:00am – 10:15am
10:45am – 12:15pm
12:45pm – 2:00pm
LOCATION Pinyon 3
LOCATION Copperleaf 12
You can also access labs on MyLync!
Tuesday, February 18th 5:00pm – 7:00pm

31. Most Valuable Professional
THANK
YOU!
To our Lync MVPs
ADAM
ALEXIS
BRIAN
CHRISTOPHER
CURTIS
ELAN
EVAN
JACOB
JAMES
JEFF
JOHAN
JOHN
JUSTIN
KWOK
MARTIN
MATT
MICHAEL
MICHAEL
MIKE
PETER
RANDY
RUBEN
STÄLE
TIM
TOM
KEN
Most Valuable Professional
Lync Most Valuable Professionals (MVPs) are independent community leaders who share their passion, technical expertise and practical knowledge of Lync around the world.
They’re here at Lync Conference as speakers, proctors and experts. Please join us in saying THANK YOU!

32. Fill out evaluations to win prizes
Lync 2014
6/12/2018
Fill out evaluations to win prizes
Fill out evaluations on MyLync or MyLync Mobile.
Prizes awarded daily.
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

33. 6/12/2018 1:39 AM
© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.