If Habor is configured with UAA OIDC then after rotating the TKGI api certificate, applying change on Habror will fail with certifcate error.
This is applicable if TKGI API certificate is signed by custom CA.
TKGI with Habror
Habor configured with OIDC UAA
If Habor is using OIDC, TKGI certificate is required in the Habor VM.
Update the TKGI certifcate under Bosh > security > trusted certifcate.
Then apply change again on the Bosh and Habror tile