Hi Team,

After installing the Configuration Manager Console it’s not connecting to CAS server. We are able to connect CAS server through RDC(mstsc) using 5616 port no. Kindly advice.

SMSAdminUI.log details

[4, PID:16356][01/06/2021 19:54:39] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[4, PID:16356][01/06/2021 19:54:39] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[10, PID:16356][01/06/2021 19:54:57] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[10, PID:16356][01/06/2021 19:54:57] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[2, PID:16356][01/06/2021 19:54:57] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObject.Initialize(Boolean getObject)
at System.Management.ManagementObject.InvokeMethod(String methodName, ManagementBaseObject inParameters, InvokeMethodOptions options)
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.ExecuteMethod(String methodClass, String methodName, Dictionary`2 methodParameters, Boolean traceParameters)rn
[10, PID:16356][01/06/2021 19:54:57] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[10, PID:16356][01/06/2021 19:54:57] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[2, PID:16356][01/06/2021 19:55:04] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObject.Initialize(Boolean getObject)
at System.Management.ManagementObject.InvokeMethod(String methodName, ManagementBaseObject inParameters, InvokeMethodOptions options)
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.ExecuteMethod(String methodClass, String methodName, Dictionary`2 methodParameters, Boolean traceParameters)rn
[1, PID:16356][01/06/2021 19:55:06] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:06] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:06] :Microsoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.CreateConnectionManagerInstance(String connectionManagerInstance, IConsoleConfig settings)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :Microsoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.CreateConnectionManagerInstance(String connectionManagerInstance, IConsoleConfig settings)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[1, PID:16356][01/06/2021 19:55:25] :Microsoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.CreateConnectionManagerInstance(String connectionManagerInstance, IConsoleConfig settings)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Management.ThreadDispatch.Start()
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[6, PID:11588][01/06/2021 20:02:55] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[6, PID:11588][01/06/2021 20:02:55] :Transport error; failed to connect, message: ‘The RPC server is unavailable.
‘rnMicrosoft.ConfigurationManagement.ManagementProvider.SmsConnectionExceptionrnThe RPC server is unavailable.
rn at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)
at Microsoft.ConfigurationManagement.AdminConsole.SmsSiteConnectionNode.GetConnectionManagerInstance(String connectionManagerInstance)rnThe RPC server is unavailable.
rnSystem.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearcher.Initialize()
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlConnectionManager.Connect(String configMgrServerPath)rn
[4, PID:11588][01/06/2021 20:03:00] :System.Runtime.InteropServices.COMExceptionrnThe RPC server is unavailable.
rn at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at System.Management.ManagementObjectSearche