Error open SqlServer: Data Source=rdgwaq1yvc.zonerd.mssql-aruba.it;Initial Catalog={0};Integrated Security=False;User ID={1};Connect Timeout=15;Encrypt=False;Packet Size=4096;Password={2} Exception: System.InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached. at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at MxLibs.cFuDbMsSql.OpenDatabaseMsSqlServer(String vStrConnString, String vStrInitialCatalog, String vStrUserId, String vStrPassword, SqlConnection& roSqlConnection, EnumDbError& rEnDbError) in T:\Sviluppo\VSCommon\MxLibs\MxLibsSqlData.vb:line 145