Getting 5586 event id error with SharePoint 2013

Question

Please find the logs from server

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880i High
System.Data.SqlClient.SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at Microsoft.SharePoint.Utilities.SqlSession.OpenConnection() ClientConnectionId:00000000-0000-0000-0000-000000000000 Error Number:-1,State:0,Class:20

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880k High at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, CommandBehavior behavior, SqlQueryData monitoringData, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.ClearLegacySessions(String connString) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.CreateAndStartCollector(SPDatabaseServiceInstance dbInstance) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.InspectDatabaseServers() at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.DoWork() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880j High
SqlError: 'A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)' Source: '.Net SqlClient Data Provider' Number: -1 State: 0 Class: 20 Procedure: '' LineNumber: 0 Server: ''

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 5586 Critical
Unknown SQL Exception -1 occurred. Additional error information from SQL Server is included below. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database tzku High
ConnectionString: 'Data Source=TONSQLSHAQN01.genpitfi01.og.ge.com\ONSQLSHAQN01;Initial Catalog=Master;Integrated Security=True' Partition: NULL ConnectionState: Closed ConnectionTimeout: 15

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database fa43 High
Slow Query Duration: 29424.5943967739

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database fa44 High
Slow Query StackTrace-Managed: at Microsoft.SharePoint.Utilities.SqlSession.OnPostExecuteCommand(SqlCommand command, SqlQueryData monitoringData) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, CommandBehavior behavior, SqlQueryData monitoringData, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.ClearLegacySessions(String connString) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.CreateAndStartCollector(SPDatabaseServiceInstance dbInstance) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.InspectDatabaseServers() at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.DoWork() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database tzkv High
SqlCommand: 'SELECT name FROM sys.server_event_sessions WHERE name LIKE 'SharePoint_Diagnostics%' and startup_state=0' CommandType: Text CommandTimeout: 30

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database aek90 High
SecurityOnOperationCheck = False

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880i High
System.Data.SqlClient.SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at Microsoft.SharePoint.Utilities.SqlSession.OpenConnection() at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, CommandBehavior behavior, SqlQueryData monitoringData, Boolean retryForDeadLock) ClientConnectionId:00000000-0000-0000-0000-000000000000 Error Number:-1,State:0,Class:20

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880k High at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, Boolean retryForDeadLock) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.ClearLegacySessions(String connString) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.CreateAndStartCollector(SPDatabaseServiceInstance dbInstance) at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.InspectDatabaseServers() at Microsoft.SharePoint.Diagnostics.SPDiagnosticsXEventQueryDataProvider.DoWork() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 880j High
SqlError: 'A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)' Source: '.Net SqlClient Data Provider' Number: -1 State: 0 Class: 20 Procedure: '' LineNumber: 0 Server: ''

05/12/2017 05:59:11.30 OWSTIMER.EXE (0x2DF8) 0x13A0 SharePoint Foundation Database 5586 Critical
Unknown SQL Exception -1 occurred. Additional error information from SQL Server is included below. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)

Suggest me what could be the reason for causing the issue,thanks for your help!

Answer 1

Sql server pointing to the wrong instance hence we are getting the error removed the wrong sql server instance from CA now we are not receiving any alerts.