Home >Documents >Lync Server 2010 Troubleshooting - Ståle Hansen · PDF fileLync Server 2010...

Lync Server 2010 Troubleshooting - Ståle Hansen · PDF fileLync Server 2010...

Date post:10-May-2018
Category:
View:231 times
Download:1 times
Share this document with a friend
Transcript:
  • Lync Server 2010 Troubleshooting

    Stle Hansen

    Solution Architect @AteaAS

    MVP Lync

  • About Me

    Been working at Atea Norway since 2006

    Focus - Microsoft Unified Communication

    CoAuthored LyncLab.org with MVP Tommy Clarke

    Blog http://msunified.net

    Twitter @StaleHansen

    January 16, 2012 NIC 2012

    http://msunified.net/

  • January 16, 2012 NIC 2012

    #NIC2012 #Lync

    http://twitter.com/

  • Troubleshooting

    Understand the symptoms

    Narrow the scope

    Select appropriate tools

    Collect and analyze data

    January 16, 2012 NIC 2012

  • Understand the symptoms

    January 16, 2012 NIC 2012

  • Understand the symptoms Understand the technology

    January 16, 2012 NIC 2012

  • Understand the symptoms Understand the technology

    How does Lync SIP work?

    January 16, 2012 NIC 2012

  • Session Initiated Protocol

    Session Description Protocol (SDP)

    Real-Media Transport Protocol (RTP)

    Real-Media Transport Change Protocol (RTCP)

    January 16, 2012 NIC 2012

  • Content of Invite

    From:Tag

    To:Tag

    CallID: Is always unique, can sort using CallID

    Contact: Show actual source

    Via: Every SIP client adds his FQND

    Client, Front End, Edge

    9

  • Symptoms?

    P2P Media connectivity failures

    One way audio

    January 16, 2012 NIC 2012

  • Understand the symptoms Understand the technology

    How does Lync Edge work?

    January 16, 2012 NIC 2012

  • Interactive Connectivity Establishment (ICE) Protocol

    January 16, 2012 NIC 2012

  • RTP in NAT environement

    ICE is the methodology can be used to discover the optimal means of connectivity

    Use TURN as a last resort only

    Preferring other mechanisms

    STUN

    Direct connectivity

    13

  • Why is this interesting?

    January 16, 2012 NIC 2012

  • Two Scenarios:

    You hear a delay before you can establish internal Lync calls

    Users between two subnets can not Lync eachother

    January 16, 2012 NIC 2012

  • Understand the symptoms

    Closing note

    January 16, 2012 NIC 2012

  • Troubleshooting

    Understand the symptoms

    Narrow the scope

    Select appropriate tools

    Collect and analyze data

    January 16, 2012 NIC 2012

  • Narrow the scope

    January 16, 2012 NIC 2012

  • 19

    Failed Calls

    Dropped Calls

    One Way Audio

    Echo Noise Low

    Volume Delayed Audio

    Broken Up Audio

    Distorted Audio

    Network Core

    Performance

    Call Reliability

    Audio Quality

    Voice Quality Issues

    Gateways Devices

  • Lync Phone Edition

    x24

    IP

    Lync Client Meeting Client

    Lync Lync

    Mediation Server

    PSTN

    PBX/ PSTN

    UC Gateway

    Lync Edge

    Internet

  • Know when you have a Windows Server problem

    Event Viewer

    Secruity logs

    Process Monitor

    Task Manager

    Resource Monitor

    Performance Monitor

    NetStat

    21

  • Troubleshooting

    Understand the symptoms

    Narrow the scope

    Select appropriate tools

    Collect and analyze data

    January 16, 2012 NIC 2012

  • Select appropriate tools

    January 16, 2012 NIC 2012

  • Lync Phone

    IP

    Lync Client Lync Meeting Client

    Lync Lync

    Mediation Server

    PSTN

    PBX/ PSTN

    UC Gateway

    Lync Edge

    Internet

    A/V Tuning wizard

    Audio Test Service

    Logs

    Logging Tool

    RouteHelper

    Synthetic Transactions

    SCOM

    Snooper

    (QoE) Monitoring Server

  • Dont forget the Lync Server Best Practices Analyser

    January 16, 2012 NIC 2012

  • Troubleshooting

    Understand the symptoms

    Narrow the scope

    Select appropriate tools

    Collect and analyze data

    January 16, 2012 NIC 2012

  • Collect and analyze data

    January 16, 2012 NIC 2012

  • Snooper

    Part of the Lync Server Resource Kit tools

    Shows sip messages from Lync 2010 debug logs captured with Lync Logging Tool

    28

  • Log PowerShell activity

    29

  • Synthetic Transactions

    Simulates end-to-end transactions as if performed by actual users

    Get available test cmdlets Get-Command Test-Cs* | Format-Table Property Name,Definition

    Auto

    Some test cmdlets needs users with credentials Use New-CsHealthMonitoringConfiguration to store test users for a

    spesific pool New-CsHealthMonitoringConfiguration Identity -TargetFqdn pool01.lynclab.org FirstTestUserSipUri "sip:[email protected]" -SecondTestUserSipUri "sip:[email protected]"

    Then you only need to specify TargetFqdn when running the cmdlets Test-CsPresence -TargetFqdn pool01.lynclab.org

    30

  • Tool Topology Validator

    Purpose Provides Administrators a way to

    Provide a quick check on the state of the Environment.

    Location Lync Resource Kit Tools

  • Tool Topology Validator

    Purpose Provides Administrators a way to

    Provide a quick check on the state of the Environment.

    Location Lync Resource Kit Tools

  • Troubleshooting

    Understand the symptoms

    Narrow the scope

    Select appropriate tools

    Collect and analyze data

    January 16, 2012 NIC 2012

  • Test one configuration modification at a time

    January 16, 2012 NIC 2012

  • Questions?

    January 16, 2012 NIC 2012

Click here to load reader

Reader Image
Embed Size (px)
Recommended