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UCWA Events

Lync Server 2013
 

Topic Last Modified: 2013-02-15

The information in this topic pertains to Cumulative Updates for Lync Server 2013: February 2013.

Lync Server 2013 uses the Unified Communications Web API (UCWA) for a number of purposes, from accessing Microsoft Exchange for contact searches to updating presence for mobile clients.

UCWA will write records of operational behavior as event types Informational, Warning, and Error. The following table describes the events that can be written by the UCWA components.

 

Event ID Event Type Summary Cause and Resolution

20001

Informational

UCWA initialized

N/A

N/A

20002

Error

UCWA encountered an unexpected exception during initialization

An unexpected error has occurred during initialization

Examine the exception details in the associated event log entry to determine the possible cause

20003

Error

UCWA encountered an unhandled exception

An unhandled exception happened

Restart the server. If the problem persists contact product support

20004

Error

Cannot access Exchange for HD photo

Connection to Exchange is not available

Make sure the connection to Exchange is available

20005

Informational

Recovered from failing to access Exchange for HD photo

N/A

20006

Error

Cannot access Exchange for contact search

Connection to Exchange is not available

Make sure the connection to Exchange is available

20007

Informational

Recovered from failing to search contact in Exchange

N/A

20008

Warning

Attempt to subscribe more than the allowed presence subscriptions per application

Attempt to subscribe more than the allowed presence subscriptions per application

Check the clients for unnecessary subscriptions

20009

Warning

Attempt to subscribe more than the allowed presence subscriptions per batch

Attempt to subscribe more than the allowed presence subscriptions per batch

Check the clients for unnecessary subscriptions

20010

Error

Cannot retrieve inband data

Cannot retrieve inband data

If the problem persists contact product support

20011

Error

Cannot subscribe presence

Cannot subscribe presence

If the problem persists contact product support

20012

Error

Failed to register endpoint

Failed to register endpoint

If the problem persists contact product support

20013

Error

IM MCU is unavailable

IM MCU is unavailable

See whether IM MCU is running

20014

Informational

Recovered from failing to connect to IM MCU

N/A

20015

Error

AV MCU is unavailable

AV MCU is unavailable

See whether AV MCU is running

20016

Informational

Recovered from failing to connect to AV MCU

N/A

20017

Error

AS MCU is unavailable

AS MCU is unavailable

See whether AS MCU is running

20018

Informational

Recovered from failing to connect to AS MCU

N/A

20019

Error

Data MCU is unavailable

Data MCU is unavailable

See whether Data MCU is running

20020

Informational

Recovered from failing to connect to Data MCU

N/A

20021

Error

Cannot join IM MCU

Cannot join IM MCU

See whether IM MCU is running

20022

Error

Cannot join AV MCU

Cannot join AV MCU

See whether AV MCU is running

20023

Error

Cannot join AS MCU

Cannot join AS MCU

See whether AS MCU is running

20024

Error

Cannot join Data MCU

Cannot join Data MCU

See whether Data MCU is running

20025

Error

Cannot access active directory for photo

Connection to active directory is not available

Make sure the connection to active directory is available

20026

Informational

Recovered from failing to access active directory for photo

N/A

20027

Warning

Cannot deserialize

Cannot deserialize

If the problem persists contact product support

 
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