503 put /login and vault sealed

Vault
1

Hi everyone;

My init container got an error below. I have no idea why this happens repeatedly. After having that problem in first I unseal the vault but the result is same. I need your help.

Thank you

| * Vault is sealed

backoff=4m12.13s

2025-11-24T08:49:34.686Z [INFO] agent.auth.handler: authenticating

2025-11-24T08:49:34.694Z [ERROR] agent.auth.handler: error authenticating:

error=

| Error making API request.

|

| URL: PUT http://vault.vault.svc:8200/v1/auth/kubernetes/login

| Code: 503. Errors:

|

| * Vault is sealed

backoff=4m58.16s
2

Hello,

Would need some more info on your Vault cluster. If Vault is sealed, you won’t be able to log in without going through the unseal process on the cluster.

How is your Vault cluster configured - shamir, auto unseal?
Any errors in the Vault cluster logs?

Thanks