Multiple IPMI sessions to the Integrated Management Module (IMM) are limited

Troubleshooting

Problem

After creating six (6) or more Intelligent Platform Management Interface (IPMI) Local Area Network (LAN) sessions to the Integrated Management Module (IMM), the user may receive the following errors when trying to create more: Invalid user name, Error: Unable to establish LAN session

Resolving The Problem

Source

RETAIN tip: H171420

Symptom

Invalid user name
Error: Unable to establish LAN session

Affected configurations

The system may be any of the following IBM servers:

System x3550 M2, Type 7946, any model
System x3550 M3, Type 4254, any model
System x3550 M3, Type 7944, any model
System x3650 M2, Type 7947, any model
System x3650 M3, Type 4255, any model
System x3650 M3, Type 7945, any model
iDataPlex dx360 M2 Server, Type 6380, any model
iDataPlex dx360 M2 Server, Type 7321, any model
iDataPlex dx360 M2 Server, Type 7323, any model

This tip is not software specific.
This tip is not option specific.

The system has the symptom described above.

Workaround

Do not try to create more than five (5) IPMI LAN sessions to the IMM.

Additional information

When more than five (5) terminals are running continual requests, sessions 6 and greater may periodically fail.

Document Location

Worldwide

Operating System

System x:Operating system independent / None

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Tips

Multiple IPMI sessions to the Integrated Management Module (IMM) are limited - IBM System x