BizTalk: ‘Unspecified error’ when starting Host Instance

 

I was stuck with this error when starting BizTalk host instances after database connectivity was lost and resumed,

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event log:

A failure occurred when executing a Windows service request.
 
Service request: Start
 
BizTalk host name: BizTalkServerApplication
Windows service name: BTSSvc$BizTalkServerApplication
 
Additional error information:
Error code: 0x80131604
Error source: mscorlib
Error description: Exception has been thrown by the target of an invocation.

 

one of possible reasons (among other is a reported issue in BizTalk – and MS provides CU for it) is a new section in BizTalk config file that is not declared in machine.config. In my case, I added a new config section to define appSettings configuration keys  – but I forgot to update machine.config first

<system.configuration> 

</system.configuration>
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2 Responses to “BizTalk: ‘Unspecified error’ when starting Host Instance”

  1. Adrian DeFazio Says:

    I’m having a similar issue, did you just put an empty xml element in your machine.config file?


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