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Event ID: 1111 Source: .NETRuntimeOptimizationService

Level
Description
.NET Runtime Optimization Service (clr_optimization_v2.0.50727_32) - Service reached limit of transient errors. Will shut down. Last error returned from Service Manager: 0x80070005.
Comments
 
There can be several error codes reported with this event so each of the should be treated differently as they point to different type of problems:

- Error code 0x8000ffff = Catastrophic failure error.
- Error code 0x80070005 = Access is denied.
- Error code 0x8002802b = Element not found
- Error code 0x800705aa = Insufficient system resources
- Error code 0x80029c4a = Cannot Load Library

The following logs may provide additional information about the problem:
C:\Windows\Microsoft.NET\Framework\v2.0.50727\ngen.log
C:\Windows\Microsoft.NET\Framework\v2.0.50727\ngen_service.log
From a support forum, a general explanation for this type of error: "The .NET Runtime Optimization Service attempts to re-try compilation of assemblies when it runs into what it believes are transient errors; examples include RPC errors, out-of-memory errors etc. However, after it has tried to compile the same assembly 20 times and has still failed to do so, it outputs the message above and shuts down."

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