# [DFCD_DTCP_PROTO_CS_DELETE_FAILED](https://apps.juniper.net/syslog-explorer/?msg=DFCD_DTCP_PROTO_CS_DELETE_FAILED)

## SYSLOG Details
- **Message**: Unable to delete connection <variable>file-descriptor</variable> for flow-tap user <variable>username</variable>
- **Help**: DFCD could not delete control source from CS database
- **Description**: DFCD deletes control sources from CS database when an authorized flow-tap user logs out. The error string accompanying this log entry indicates the specific error.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: CS delete operation failed.
- **Action**: Contact your technical support representative.
- **Attributes**: file-descriptor
username
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=DFCD_DTCP_PROTO_CS_DELETE_FAILED&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=DFCD_DTCP_PROTO_CS_DELETE_FAILED&sw=Junos%20OS&rel=23.4R1)