Timeout expired while fetching topic metadata while creating Debezium SQL Server Connector

Hello ,
I am trying to create Debezium SQL Server Connector using Rest API but keep getting Timeout expired while fetching topic metadata
Connector gets created successfully but tasks fail with this error
Any pointer will be great help

Plugin Version
“class”: “io.debezium.connector.sqlserver.SqlServerConnector”,
“type”: “source”,
“version”: “2.5.4.Final”

Below is my request body

{
“name”: “test_sqlserver_debezium_connector”,
“config”: {
“connector.class”: “io.debezium.connector.sqlserver.SqlServerConnector”,
“tasks.max”:“1”,
“database.hostname”: “database_hostname”,
“database.port”: “1443”,
“database.user”: “dbuser”,
“database.password”: “dbpassword”,
“database.server.name”:“dbserver”,
“database.names”: “dbname”,
“database.instance”: “dbinstance”,
“table.include.list”: “dbo.tablename”,
“include.schema.changes”:false,
“schema.history.internal.kafka.topic”: “dbschema”,
“topic.prefix”: “abcd”,
“schema.history.internal.kafka.bootstrap.servers”: “bootstrap_server_details”,
“database.history”:“io.debezium.relational.history.MemoryDatabaseHistory”,
“schema.history.internal.consumer.security.protocol”: “PLAINTEXT”,
“schema.history.internal.producer.security.protocol”: “PLAINTEXT”,
“request.timeout.ms”:“300000”
}
}