Communication from MSSQL Plug-in server to SnapCenter server fails with the error: No such host is known

Applies to

• SnapCenter Plug-in for MSSQL (SCSQL)
• SnapCenter Server

Issue

Communication from MSSQL Plug-in server to SnapCenter server is failed as SCSQL server unable to resolve the SnapCenter server hostname.

ERROR SMCore PID=[6000] TID=[49] System.Net.Http.HttpRequestException: No such host is known. (<SnapCenter server name>:8146)
---> System.Net.Sockets.SocketException (11001): No such host is known.
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
   at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgs saea, ValueTask connectTask, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)

ERROR SMCore PID=[6000] TID=[20] Exception caught while invoking https://<SnapCenter server name>:8146/JobStatusService.svc/GetQueuedJobsCache
ERROR SMCore PID=[6000] TID=[20] Exception in method: InvokeXML.
System.Net.Http.HttpRequestException: No such host is known. (<SnapCenter server name>:8146)
---> System.Net.Sockets.SocketException (11001): No such host is known.

ERROR SMCore PID=[6000] TID=[20] Failed to create Job Queue: No such host is known. (<SnapCenter server name>:8146)
ERROR SMCore PID=[6000] TID=[20] System.Net.Http.HttpRequestException: No such host is known. (<SnapCenter server name>:8146)
---> System.Net.Sockets.SocketException (11001): No such host is known.

ERROR SMCore PID=[6000] TID=[11] Exception caught while invoking https://<SnapCenter server name>:8146/StorageService.svc/GetStorageCacheFromColoSmCore
ERROR SMCore PID=[6000] TID=[11] Exception in method: InvokeXML.
System.Net.Http.HttpRequestException: No such host is known. (<SnapCenter server name>:8146)
---> System.Net.Sockets.SocketException (11001): No such host is known.

ERROR SMCore PID=[9024] TID=[20] Exception in method: DiscoverVirtualResources.
System.Net.Http.HttpRequestException: No such host is known. (<SnapCenter server name>:8146)
---> System.Net.Sockets.SocketException (11001): No such host is known.