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Cisco Bug: CSCul20716 - high CPU and CodeYelllow when Device registration exceed Max limit.

Last Modified

Apr 09, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.0(1.10000.7)

Description (partial)

Symptom:high CPU and CodeYelllow when Device registration exceed Max limit.

Conditions:CUCM 10.0.1.10000-7

If CUCM is node is set for 5000 maximum device registration limit (Cisco CallManager Service Parameter), and when try to register more device after Max Limit the cucm exhibits CPU pegging and Code Yellow. It also cause VM memory usage increase and eventually cause the ccm process to core dump.
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