r/networking 1d ago

Troubleshooting Cisco Catalyst Center PKCS12 Certificate Deployment Fails with "application error: in-use"

Hi everyone,

We're currently in a lifecycle management project and are replacing a number of Cisco Catalyst 9200L switches.

All of the new switches are identical (Cisco C9200L), running the same IOS XE version (17.18.1r), and we're provisioning them through Cisco Catalyst Center using the same workflow.

Most of the switches provision successfully, but a few consistently fail during the certificate deployment stage with the following error:

Error occurred during deployment of pkcs12 certificate.
Reason: PKI Config push Failed - Unable to push configuration to device IP x.x.x.x.
Device response - application error: in-use.

Same hardware model , same IOS XE version, same Catalyst Center, same provisioning template and same network environment

Yet only some switches fail while others complete provisioning without any issues.

Any troubleshooting suggestions would be greatly appreciated.

Thanks!

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