Hide this message
Looking to compare latest NPM features with previous versions of NPM?
The NPM new feature summary offers a comparison of new features and improvements offered with this release.
An issue can occur such as the Orion Module Engine ( Solarwinds Business layer) service may crash after upgrading to NPM 11.5.3 or SAM 6.2.3
You will find in the business layer host log file the following error,
ERROR SolarWinds.BusinessLayerHost.PluginInstanceAppDomain - Plugin "Core Business Layer" failed to start. System.InvalidCastException: Specified cast is not valid. at SolarWinds.Orion.Core.CertificateUpdate.TlsConfiguration.IsEnabled(Negotiation neg) at SolarWinds.Orion.Core.CertificateUpdate.EnvironmentDetails.Collect(Boolean getAgentsCount) at SolarWinds.Orion.Core.CertificateUpdate.Md5CertificateUpdater.<.ctor>b__0() at SolarWinds.Orion.Core.CertificateUpdate.Md5CertificateUpdater.ApplyFixes() at SolarWinds.Orion.Core.CertificateUpdate.CertificateMaintenance.StartCertificateMaintenance() at SolarWinds.Orion.Core.BusinessLayer.CoreBusinessLayerPlugin.ScheduleCertificateMaintenance() at SolarWinds.Orion.Core.BusinessLayer.CoreBusinessLayerPlugin.Start() at SolarWinds.BusinessLayerHost.Contract.BusinessLayerPlugin.Start() at SolarWinds.BusinessLayerHost.PluginInstanceAppDomain.Start()
Orion protocol requirements
Start the Windows Registry Editor by clicking on Start and Run.
Type in "regedit" into the Run field (without quotations).
Highlight Computer at the top of the registry tree. Backup the registry first by clicking on File and then on Export. Select a file location to save the Registry file.
Note: You will be editing the registry. This could have detrimental effects on your computer if done incorrectly, so it is strongly advised to make a backup.Locate: