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Event ID 32011 and Event ID 1000 occur when ASMCU service crashes in Skype for Business Server 2015


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Symptoms

In Microsoft Skype for Business Server 2015, the Application Sharing Multipoint Control Unit (ASMCU) service of Front End Server may crash intermittently. Users cannot create screen sharing sessions and all connected users lose their app sharing sessions. To restore the service, the ASMCU service needs to be restarted.

In addition, the following events could be logged:
Log Name: Lync Server
Source: LS ApplicationSharing Conferencing Server
Date: Date
Event ID: 32011
Task Category: (1304)
Level: Error
Keywords: Classic
User: N/A
Computer: frontend.contoso.com
Description:
The Application Sharing Server has failed to create a conference because of an internal failure.

Log Name: Application
Source: Application Error
Date: Date
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: frontend.contoso.com
Description:
Faulting application name: ASMCUSvc.exe, version: 6.0.9319.281, time stamp: 0x58df5d92
Faulting module name: APPSHAPI.dll, version: 6.0.8886.22, time stamp: 0x5550f0b0
Exception code: 0xc0000005

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Resolution

To fix this issue, install the following updates:

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Keywords: ASMCU crashes, event id 1000, event id 32011, kb, kbfix, kbqfe, users can't create or lose screen sharing sessions, kbHotfixAuto, CI98884

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Article Info
Article ID : 4490655
Revision : 11
Created on : 5/3/2019
Published on : 5/3/2019
Exists online : False
Views : 212