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K2 Configuration Service does not start: "Exception Info: System.InvalidOperationException: Certificate not found"


K2 Configuration Service does not start "Exception Info: System.InvalidOperationException: Certificate not found"

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.


When attempting to start the K2 Configuration Service it will fail with the an error in the Event Viewer:

Application: SourceCode.Configuration.Api.exe CoreCLR Version: 4.6.27129.4

Description: The process was terminated due to an unhandled exception.
Exception Info: System.InvalidOperationException: Certificate not found: CN=NAME (CN=K2 On Premise Root, O=K2) in LocalMachine/My at SourceCode.Configuration.Kestrel.CertificateLoader.LoadFromStoreCert(String subject, String issuer, String storeName, StoreLocation storeLocation) at SourceCode.Configuration.Kestrel.KestrelLoadExtensions.UseKestrel(IWebHostBuilder webHostBuilder, CustomKestrelSettings settings)
at SourceCode.Configuration.Api.Program.CreateWebHostBuilder(String[] args)
at SourceCode.Configuration.Api.Program.Main(String[] args)
Faulting application name: SourceCode.Configuration.Api.exe, version:, time stamp: 0x5b58a311 Faulting module name: KERNELBASE.dll, version: 10.0.14393.3085, time stamp: 0x5d1d7c66 Exception code: 0xe0434352 Fault offset: 0x0000000000034c48
Faulting process id: 0x1b7c Faulting application start time: 0x01d56728f111d8af
Faulting application path: C:\Program Files\K2\SourceCode.Configuration.Api\SourceCode.Configuration.Api.exe
Faulting module path: C:\Windows\System32\KERNELBASE.dll Report Id: e13ccc85-7d81-4bd8-a725-a2f20bf25f35 Faulting package full name:
Faulting package-relative application ID:

You will also note when K2 Five was installed the below error will be raised in the Installer traces which can be found in %temp% folder on the K2 Server.

Logged Error: Group run failed with exception: System.NullReferenceException: Object reference not set to an instance of an object. at SourceCode.Install.Package.Actions.Windows.ExecutePowerShellScript.Execute(Target target) at SourceCode.Install.Package.Targets.Target.Execute() at SourceCode.Install.Package.Actions.ActionGroup.Execute(Target target)
Log.WriteUnindent: End Action Group: Make MICRO_SSL_CERT, Run Passed: False
Target.Execute: !Completed: Make MICRO_SSL_CERT, Success: False
ActionGroup.Execute: Logged Error: Target failed to execute: Make MICRO_SSL_CERT
ActionGroup.Execute: Running sub action: Ensure Certs
Target.Execute: !Running: Ensure Root Cert
Target.Execute: Process target: Ensure Root Cert
RunProcess.Execute: Start executing external process.


This will cause the K2 Server Service to fail and Users will not be to access the environment.


To resolve this issue, direct database modification will be required. Please log a K2 Support Ticket on the K2 Customer Portal for assistance in resolving the issue. The information below will be needed to do the alteration.



USE [K2]
SELECT * FROM Hostserver.Configuration


Open Certmgr.msc and determine the amount of K2 On Premise Root Certificates on the environment in the Personal and Trusted Root Certification Authorities folders.

Example of the information needed:

Note that you will possibly be requested to re-run the repair option on the K2 Setup Manager.

Please note that direct K2 database modification is not allowed as it might leave the environment in an unsupported state. This must only be done with the assistance of, or when instructed to do so by K2 Support. 

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Last update:
‎05-19-2021 10:32 PM
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