Symptoms

Error starting K2 Workflow.
"86547420","2016-05-02 10:08:49","Error","Communication","8060","ProcessPacketError","SourceCode.Hosting.Server.Services.TCPClientSocket.ProcessMessage","8060 ProcessPacket Error, Authentication With Server Failed : Object reference not set to an instance of an object.","system","10.220.220.197","MSQSDV31:C:Program Files (x86)K2 blackpearlHost ServerBin","86547420","858396b2a4f34e239f6f06346396abe2",""
 

Diagnoses

NA

RESOLUTION:

In file C:Program Files (x86)K2 blackpearlHost ServerBinK2HostServer.exe.config

Replace
<add path="SmartActions" />
<add path="SmartActionsEWS" />
<add path="SmartActionsSMTP" />
By
<add path="SmartActions" />
<add path="SmartActionsSMTP" />


Verify parameter of the connectionstringeditor.exe, verify the parameter "ExchangeWebServicesConnection"

After this, restart the service "K2 blackpearl Server"