Unable to start the Microsoft Exchange Speech Engine Service

  • Thread starter Matthew ErisSolutions
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Matthew ErisSolutions

Currently running two Exchange 2010 servers, in a cluster. All roles are installed.

OS is 2008 R2

Exchange 2010 without SP1.

When trying to start the Speech Engine Service, we get the following errors on one of the servers:

Failed to start a SES worker instance: Unable to connect to SES Broker. (System.Runtime.Remoting.RemotingException)
-> Retrieving the COM class factory for component with CLSID {BF86F6C4-F9CE-441A-821A-415A76B86D79} failed due to the following error: 8007007e. (System.IO.FileNotFoundException).

Failed to start a SES worker instance: Unable to connect to SES Broker. (System.Runtime.Remoting.RemotingException)
-> Retrieving the COM class factory for component with CLSID {BF86F6C4-F9CE-441A-821A-415A76B86D79} failed due to the following error: 8007007e. (System.IO.FileNotFoundException).

A SES worker process (PID 12772) died unexpectedly before the service completed starting. This broker (ID 127a15da-826c-44cd-97e7-9faba05c9dc0) has started 0 time(s).

The main service detected that a SES worker process (PID 12772) has terminated unexpectedly. Any sessions that were in progress have been aborted.

The main service created new SES worker process (PID 13264). This worker was already started 1 time(s).

A SES worker process (PID 9928) died unexpectedly before the service completed starting. This broker (ID 8f03766e-666f-4d92-8695-b5fe10c0f06e) has started 0 time(s).

The main service detected that a SES worker process (PID 9928) has terminated unexpectedly. Any sessions that were in progress have been aborted.

Any ideas?
 
C

camdenz

I am having the exact same set of errors in my App logs. I have prepared an Exchange CAS/Hub/UM server for Exchange 2010 SP1 install, it appears to have happened while following the pre-requisite lists here: http://technet.microsoft.com/en-us/library/bb691354.aspx and here: http://technet.microsoft.com/en-us/library/ff742307.aspx

After installing pre-requisites and rebooted the server, the issue appear overnight (I also did not test after the restart). I have tried things such as repair installs from the .msp/.msi related to pre-requisites and checked logs from those installs.

I have received the same set of errors with different output during re-installation of the UCMA v2.0 API and the Speech Platform Runtime, which I have noticed appears to not be a true pre-requisite to Exchange 2010 SP1 on Server 2008 R2. I have a feeling the issue is because of installing the Speech Platform Runtime on Server 2008 R2.

After installing Speech Platform and attempting to start the speech engine, I receive this error from the service:
Event 26180 - Speech Engine Services

Failed to start a SES worker instance: Unable to connect to SES Broker. (System.Runtime.Remoting.RemotingException)
-> The engine 'Microsoft Lightweight Speech Recognizer v10.0' could not be found. This engine is necessary for DTMF recognition and recording. (Microsoft.SpeechServer.Common.NoEnginesConfiguredException).

Removing the Speech Engine runtime from my Server 2008 R2 machine changes this output back to:
Retrieving the COM class factory for component with CLSID {BF86F6C4-F9CE-441A-821A-415A76B86D79} failed due to the following error: 8007007e. (System.IO.FileNotFoundException)

I have re-run ExchUCUtil and checked all settings, everything else works fine.

Thanks,

Camden
 
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