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Could not create certificate via proxy error with hashSize - by: Holbach

We are moving an application to Server 2016, which is using toolkit version 5.34.

When we try to run the application (which is using an EasyUAClient object) we see the following when the certificate generation fails, however running the sample client generates a certificate just fine on the machine. Is this potentially permissions related? the reference to the hashSize makes me think not.


2020-03-10 10:04:28.4042|INFO|The OPC-UA engine is connecting to the underlying subsystems.
2020-03-10 10:04:28.4042|INFO|OPC-UA engine SDK configuration successfully provided by "OpcLabs.EasyOpc.UA.Toolkit.InternalSdkConfigurationProvider".
2020-03-10 10:04:28.5761|INFO|The OPC-UA engine has determined the client certificate parameters as listed below.
SubjectName: IIS Worker Process
ApplicationName: IIS Worker Process
ApplicationUri: urn:XXXXXX:w3wp.exe:10.0.14393.0%20%28rs1_release.160715-1616%29
ProductUri: urn:literal:string:Internet%20Information%20Services

2020-03-10 10:04:29.0917|INFO|The OPC-UA client session on endpoint URL "opc.tcp://xxx.xxx.xxx.xxx:49380" failed at tick 3105562 and will retry in 10000 milliseconds.
2020-03-10 10:04:29.0917|INFO|The status subscription for an OPC-UA session on endpoint URL "opc.tcp://xxx.xxx.xxx.xxx:49380" is in failure. Further such warnings on this session will not be logged.
OPC-UA service result - Could not create a certificate via a proxy: -error Unprocessed arguments exist possible syntax error: -hashSize .
---- SERVICE RESULT ----
StatusCode: {Bad} = 0x80000000 (2147483648)

2020-03-10 10:04:29.1073|INFO|The OPC-UA client session is connecting to endpoint URL "opc.tcp://xxx.xxx.xxx.xxx:49380".
2020-03-10 10:04:29.1073|INFO|The OPC-UA client session failed to connect to endpoint URL "opc.tcp://xxx.xxx.xxx.xxx:49380".
OPC-UA service result - Could not create a certificate via a proxy: -error Unprocessed arguments exist possible syntax error: -hashSize .
---- SERVICE RESULT ----
StatusCode: {Bad} = 0x80000000 (2147483648)

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