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Core Business Layer failed to start and polling engine is down

Created by Carlos Vigier, last modified by Norbert Skurzewski on Apr 25, 2017

Views: 253 Votes: 9 Revisions: 25

Overview

Data is unavailable in List Resources and the polling engine status is Down.

The following error message can be found in the module engine log (C:\ProgramData\Solarwinds\Logs\Orion\BusinessLayerHost.log):

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()

Environment

  • NPM 12 and earlier
  • Microsoft Windows Server 2008 or later

Cause 

The Core Business Layer is unable to start properly due to protocol requirements.

Resolution

  1. Go to Start > Run, and then enter regedit to open the Windows Registry Editor.
    Note: It is strongly recommended to create a backup of your registry as this could have detrimental effects to your computer if done incorrectly.
  2. Click and highlight Computer at the top of the registry tree. Click File > Export to backup the registry, and then select a file location to save the registry file.
  3. Browse to the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols
  4. Use the following registry configuration:
    Notes:
    • To easily add (import) the registry entries, copy the content into Notepad or any other text editor, save as a registry file (extension .reg) and merge.
    • When saving, make sure to change the format to ANSI.

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client]
"DisabledByDefault"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:ffffffff
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:ffffffff
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001

 

Last modified
07:17, 25 Apr 2017

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