Connectrix MDS: The preupgrade check failed. Return code 0x402000EF

Summary: The preupgrade check failed. Return code 0x402000EF Zone change in progress, ISSU rejected. Either commit or no commit (discard) the changes from the switch.

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Symptoms

Customer performing NX-OS preupgrade checks 

Customer NX-OS upgrade prechecks are failing as follows:-
Performing Compact Flash and TCAM sanity test.
[####################] 100% -- SUCCESS

Performing module support checks. [####################] 100% -- SUCCESS

Notifying services about system upgrade. [# ] 0% -- FAIL.
Return code 0x402000EF (Zone change in progress, ISSU rejected.).

Pre-upgrade check failed. Return code 0x402000EF (Zone change in progress, ISSU rejected.).

Show zone status:
VSAN: 1000 default-zone: deny distribute: full Interop: default
    mode: enhanced merge-control: allow
    session: remote [dom: 1][ip: 1xx.1xx.1xx.1x] <===========

Session held by the above switch

Cause

Zoning lock

Resolution

Fix:
-Either commit or no commit (discard) the changes from the switch. 
      Config
      Zone commit vsan 1000
 Or
      Config
     no zone commit vsan 1000

 -admin can log in to switch and discard the changes by clearing the zone lock:

 Clear zone lock vsan 1000

Affected Products

Connectrix MDS-Series Firmware 6.X

Products

Connectrix MDS-Series Firmware 6.X, Connectrix MDS-Series Hardware
Article Properties
Article Number: 000055150
Article Type: Solution
Last Modified: 30 Sep 2025
Version:  3
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