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Unable connect to SQL Server on SSMS and Got error 10054

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3 answers
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I have an issue with connecting to a server on SSMS SQL Server. I got this error 10054 when i tried to connect : [SQL Server error 10054](https://i.sstatic.net/aY3BU.png) > =================================== > Cannot connect to . > =================================== > A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - An existing connection was forcibly closed by the remote host.) (Framework Microsoft SqlClient Data Provider) > > ------------------------------ > For help, click: https://docs.microsoft.com/sql/relational-databases/errors-events/mssqlserver-10054-database-engine-error > ------------------------------ > Server Name: > Error Number: 10054 > Severity: 20 > State: 0 > ------------------------------ > Program Location: > > at Microsoft.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) > at Microsoft.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) > at Microsoft.Data.SqlClient.TdsParserStateObject.SNIWritePacket(SNIHandle handle, SNIPacket packet, UInt32& sniError, Boolean canAccumulate, Boolean callerHasConnectionLock) > at Microsoft.Data.SqlClient.TdsParserStateObject.WriteSni(Boolean canAccumulate) > at Microsoft.Data.SqlClient.TdsParserStateObject.WritePacket(Byte flushMode, Boolean canAccumulate) > at Microsoft.Data.SqlClient.TdsParser.TdsLogin(SqlLogin rec, FeatureExtension requestedFeatures, SessionData recoverySessionData, FederatedAuthenticationFeatureExtensionData fedAuthFeatureExtensionData, SqlClientOriginalNetworkAddressInfo originalNetworkAddressInfo) > at Microsoft.Data.SqlClient.SqlInternalConnectionTds.Login(ServerInfo server, TimeoutTimer timeout, String newPassword, SecureString newSecurePassword) > at Microsoft.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover, Boolean isFirstTransparentAttempt, Boolean disableTnir) > at Microsoft.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) > at Microsoft.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) > at Microsoft.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, ServerCertificateValidationCallback serverCallback, ClientCertificateRetrievalCallback clientCallback, DbConnectionPool pool, String accessToken, SqlClientOriginalNetworkAddressInfo originalNetworkAddressInfo, Boolean applyTransientFaultHandling) > at Microsoft.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) > at Microsoft.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions) > at Microsoft.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) > at Microsoft.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) > at Microsoft.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) > at Microsoft.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) > at Microsoft.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry, SqlConnectionOverrides overrides) > at Microsoft.Data.SqlClient.SqlConnection.Open(SqlConnectionOverrides overrides) > at Microsoft.Data.SqlClient.SqlConnection.Open() > at Microsoft.SqlServer.Management.SqlStudio.Explorer.ObjectExplorerService.ValidateConnection(UIConnectionInfo ci, IServerType server) > at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser() > =================================== > An existing connection was forcibly closed by the remote host I've tried on other laptop, some of the laptop can connect it, some cannot. I also have tried different SQL Server version (19 and 22) and also tried different SSMS version (19.0.1, 19.0.2, 19.1) I already tried adding additional connections parameters too in the SSMS options on Connect to Server Menu [Additional Connection Parameters](https://i.sstatic.net/OPKSW.png) I also tried and checked solution in this website but still nothing works https://learn.microsoft.com/en-us/troubleshoot/sql/database-engine/connect/tls-exist-connection-closed I have tried to open inbound and outbound firewall for port 1433 too I did find error on C:\Program Files\Microsoft SQL Server\MSSQL16.SQL_SERVER\MSSQL\Log when I try to restart the SQL Server service > 2023-07-15 22:04:03.71 Server The SQL Server Network Interface > library could not register the Service Principal Name (SPN) [ > MSSQLSvc/Davin:SQL_SERVER ] for the SQL Server service. Windows return > code: 0xffffffff, state: 63. Failure to register a SPN might cause > integrated authentication to use NTLM instead of Kerberos. This is an > informational message. Further action is only required if Kerberos > authentication is required by authentication policies and if the SPN > has not been manually registered. > 2023-07-15 22:04:03.71 Server The SQL Server Network Interface > library could not register the Service Principal Name (SPN) [ > MSSQLSvc/Davin:51166 ] for the SQL Server service. Windows return > code: 0xffffffff, state: 63. Failure to register a SPN might cause > integrated authentication to use NTLM instead of Kerberos. This is an > informational message. Further action is only required if Kerberos > authentication is required by authentication policies and if the SPN > has not been manually registered. Hope anyone can help me, thanks
Asked by Davin (41 rep)
Jul 15, 2023, 05:25 AM
Last activity: May 28, 2025, 10:32 PM