SAP Knowledge Base Article - Preview

2393769 - System parameters for high interface load (ALE/RFC) for Kernel >= 7.4x


High interface load occurs due to a large number of connected terminals or clients and a very high ALE/RFC load.

This causes error messages in the gateway trace or other developer traces regarding terminations, resource bottlenecks and notes regarding limits (for example, the maximum number of terminal connections, and so on).



  • SAP NetWeaver


SAP NetWeaver all versions


Interface performance, SAP-RC=672, R3_LOGIN_FAILED, No wp_ca block received, No free block found in the WP Communication Area, MAX_CPIC_CLIENTS, CONN_EXCEEDED, wp_ca_block, rdisp/tm_max_no, rdisp/elem_per_queue, rdisp/wp_ca_blk_no, rdisp/max_comm_entries, rdisp/session_queue_limit, rdisp/max_async_send, rdisp/cpicStreaming, gw/max_conn, gw/max_sys, gw/max_overflow_size, gw/req_stack_size , KBA , BC-CST-DP , Dispatcher, Task Handler , BC-MID-RFC , RFC , How To

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.