Ogg Capture Client Successfully Detached From Goldengate Capture ((top)) Jun 2026

Network latency caused a timeout between the GoldenGate instance and the database instance.

The most common cause is the death of the server-side session associated with the Extract process.

Did this detachment happen , or during planned maintenance?

GGSCI> UNREGISTER EXTRACT DATABASE

A: Yes, absolutely. Filter on severity: Info level. Alert only on ERROR or WARNING . But log retention of these "detach" events helps when auditing change windows.

In these scenarios, the detachment ensures that System Global Area (SGA) memory is freed and that the database doesn't keep a "zombie" capture session active, which could prevent the deletion of old archived logs. When It’s a Problem

In Oracle GoldenGate (OGG), the message "OGG capture client successfully detached from GoldenGate capture" Network latency caused a timeout between the GoldenGate

This is the most common context. When an administrator issues a STOP EXTRACT <name> command, the process must clean up after itself. Before the process terminates, it must tell the database, "I am finished; you can release the LogMiner resources."

2025-05-23 14:00:01 ERROR OGG-02717 Unable to allocate LogMiner session. 2025-05-23 14:00:01 INFO OGG-06408 OGG capture client successfully detached...

What and GoldenGate version are you currently running? GGSCI> UNREGISTER EXTRACT DATABASE A: Yes, absolutely

currently in the pipeline were processed or safely checkpointed before the connection was severed. www.oracle-scn.com Monitoring Significance

Modern OGG (12c and later) uses . Here, the Extract process does not directly read the redo logs. Instead, it acts as a client to a background server process inside the Oracle database known as the GoldenGate Capture process (also part of the logical replication framework inside the database engine).

Generate a detailed report for the specific Extract process: But log retention of these "detach" events helps