Kibana not starting

Hello I get in my Kibana the following error while starting. For me it does not make sense, since in all config files I am not using this as a key. I appended also the kibana.yml and elasticsearch.yml
Error:

ValidationError: [config validation of [elastic].ads]: definition for this key is missing
    at ObjectType.validate (/usr/share/kibana/node_modules/@kbn/config-schema/src/types/type.js:84:13)
    at ConfigService.validateAtPath (/usr/share/kibana/node_modules/@kbn/config/src/config_service.js:198:19)
    ... 40 lines matching cause stack trace ...
    at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
    at ReplaySubject.Subject.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subject.js:59:24)
    at ReplaySubject.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/ReplaySubject.js:45:31)
    at Object.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/share.js:69:58)
    at ConsumerObserver.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:113:33)
    at SafeSubscriber.Subscriber._next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:80:26)
    at SafeSubscriber.Subscriber.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:51:18)
    at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/tap.js:21:28 {
  cause: SchemaTypeError: definition for this key is missing
      at ObjectType.onError (/usr/share/kibana/node_modules/@kbn/config-schema/src/types/type.js:124:14)
      at Object.error (/usr/share/kibana/node_modules/@kbn/config-schema/src/types/type.js:71:47)
      at Object.internals.finalize (/usr/share/kibana/node_modules/joi/lib/validator.js:475:36)
      at Object.exports.validate (/usr/share/kibana/node_modules/joi/lib/validator.js:336:38)
      at Object.internals.entry (/usr/share/kibana/node_modules/joi/lib/validator.js:145:28)
      at Object.exports.entry (/usr/share/kibana/node_modules/joi/lib/validator.js:27:30)
      at internals.Base.validate (/usr/share/kibana/node_modules/joi/lib/base.js:548:26)
      at ObjectType.validate (/usr/share/kibana/node_modules/@kbn/config-schema/src/types/type.js:79:29)
      at ConfigService.validateAtPath (/usr/share/kibana/node_modules/@kbn/config/src/config_service.js:198:19)
      at /usr/share/kibana/node_modules/@kbn/config/src/config_service.js:205:169
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/map.js:10:37
      at OperatorSubscriber._this._next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/OperatorSubscriber.js:33:21)
      at OperatorSubscriber.Subscriber.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:51:18)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/distinctUntilChanged.js:18:28
      at OperatorSubscriber._this._next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/OperatorSubscriber.js:33:21)
      at OperatorSubscriber.Subscriber.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:51:18)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/map.js:10:24
      at OperatorSubscriber._this._next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/OperatorSubscriber.js:33:21)
      at OperatorSubscriber.Subscriber.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:51:18)
      at ReplaySubject._subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/ReplaySubject.js:54:24)
      at ReplaySubject.Observable._trySubscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:41:25)
      at ReplaySubject.Subject._trySubscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subject.js:123:47)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:35:31
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
      at ReplaySubject.Observable.subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:26:24)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/share.js:66:18
      at OperatorSubscriber.<anonymous> (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/lift.js:14:28)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:30:30
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
      at Observable.subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:26:24)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/map.js:9:16
      at OperatorSubscriber.<anonymous> (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/lift.js:14:28)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:30:30
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
      at Observable.subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:26:24)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/distinctUntilChanged.js:13:16
      at OperatorSubscriber.<anonymous> (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/lift.js:14:28)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:30:30
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
      at Observable.subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:26:24)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/map.js:9:16
      at OperatorSubscriber.<anonymous> (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/lift.js:14:28)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:30:30
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9)
      at Observable.subscribe (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Observable.js:26:24)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/switchMap.js:17:63
      at OperatorSubscriber._this._next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/operators/OperatorSubscriber.js:33:21)
      at OperatorSubscriber.Subscriber.next (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subscriber.js:51:18)
      at /usr/share/kibana/node_modules/rxjs/dist/cjs/internal/Subject.js:69:34
      at Object.errorContext (/usr/share/kibana/node_modules/rxjs/dist/cjs/internal/util/errorContext.js:22:9) {
    cause: undefined,
    path: [ 'ads' ]
  }
}

Kibana.yml:
I reinstalled Kibana its basicly new so I wonder how it can occur:

# For more configuration options see the configuration guide for Kibana in
# https://www.elastic.co/guide/index.html

# =================== System: Kibana Server ===================
# Kibana is served by a back end server. This setting specifies the port to use.
#server.port: 5601

# Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.
# The default is 'localhost', which usually means remote machines will not be able to connect.
# To allow connections from remote users, set this parameter to a non-loopback address.
#server.host: "localhost"

# Enables you to specify a path to mount Kibana at if you are running behind a proxy.
# Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath
# from requests it receives, and to prevent a deprecation warning at startup.
# This setting cannot end in a slash.
#server.basePath: ""

# Specifies whether Kibana should rewrite requests that are prefixed with
# `server.basePath` or require that they are rewritten by your reverse proxy.
# Defaults to `false`.
#server.rewriteBasePath: false

# Specifies the public URL at which Kibana is available for end users. If
# `server.basePath` is configured this URL should end with the same basePath.
#server.publicBaseUrl: ""

# The maximum payload size in bytes for incoming server requests.
#server.maxPayload: 1048576

# The Kibana server's name. This is used for display purposes.
#server.name: "your-hostname"

# =================== System: Kibana Server (Optional) ===================
# Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively.
# These settings enable SSL for outgoing requests from the Kibana server to the browser.
#server.ssl.enabled: false
#server.ssl.certificate: /path/to/your/server.crt
#server.ssl.key: /path/to/your/server.key

# =================== System: Elasticsearch ===================
# The URLs of the Elasticsearch instances to use for all your queries.
#elasticsearch.hosts: ["http://localhost:9200"]

# If your Elasticsearch is protected with basic authentication, these settings provide
# the username and password that the Kibana server uses to perform maintenance on the Kibana
# index at startup. Your Kibana users still need to authenticate with Elasticsearch, which
# is proxied through the Kibana server.
#elasticsearch.username: "kibana_system"
#elasticsearch.password: "pass"

# Kibana can also authenticate to Elasticsearch via "service account tokens".
# Service account tokens are Bearer style tokens that replace the traditional username/password based configuration.
# Use this token instead of a username/password.
# elasticsearch.serviceAccountToken: "my_token"

# Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of
# the elasticsearch.requestTimeout setting.
#elasticsearch.pingTimeout: 1500

# Time in milliseconds to wait for responses from the back end or Elasticsearch. This value
# must be a positive integer.
#elasticsearch.requestTimeout: 30000

# The maximum number of sockets that can be used for communications with elasticsearch.
# Defaults to `Infinity`.
#elasticsearch.maxSockets: 1024

# Specifies whether Kibana should use compression for communications with elasticsearch
# Defaults to `false`.
#elasticsearch.compression: false

# List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side
# headers, set this value to [] (an empty list).
#elasticsearch.requestHeadersWhitelist: [ authorization ]

# Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten
# by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration.
#elasticsearch.customHeaders: {}

# Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable.
#elasticsearch.shardTimeout: 30000

# =================== System: Elasticsearch (Optional) ===================
# These files are used to verify the identity of Kibana to Elasticsearch and are required when
# xpack.security.http.ssl.client_authentication in Elasticsearch is set to required.
#elasticsearch.ssl.certificate: /path/to/your/client.crt
#elasticsearch.ssl.key: /path/to/your/client.key

# Enables you to specify a path to the PEM file for the certificate
# authority for your Elasticsearch instance.
#elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ]

# To disregard the validity of SSL certificates, change this setting's value to 'none'.
#elasticsearch.ssl.verificationMode: full

# =================== System: Logging ===================
# Set the value of this setting to off to suppress all logging output, or to debug to log everything. Defaults to 'info'
#logging.root.level: debug

# Enables you to specify a file where Kibana stores log output.
logging:
  appenders:
    file:
      type: file
      fileName: /var/log/kibana/kibana.log
      layout:
        type: json
  root:
    appenders:
      - default
      - file
#  layout:
#    type: json

# Logs queries sent to Elasticsearch.
#logging.loggers:
#  - name: elasticsearch.query
#    level: debug

# Logs http responses.
#logging.loggers:
#  - name: http.server.response
#    level: debug

# Logs system usage information.
#logging.loggers:
#  - name: metrics.ops
#    level: debug

# =================== System: Other ===================
# The path where Kibana stores persistent data not saved in Elasticsearch. Defaults to data
#path.data: data

# Specifies the path where Kibana creates the process ID file.
pid.file: /run/kibana/kibana.pid

# Set the interval in milliseconds to sample system and process performance
# metrics. Minimum is 100ms. Defaults to 5000ms.
#ops.interval: 5000

# Specifies locale to be used for all localizable strings, dates and number formats.
# Supported languages are the following: English (default) "en", Chinese "zh-CN", Japanese "ja-JP", French "fr-FR".
#i18n.locale: "en"

# =================== Frequently used (Optional)===================

# =================== Saved Objects: Migrations ===================
# Saved object migrations run at startup. If you run into migration-related issues, you might need to adjust these settings.

# The number of documents migrated at a time.
# If Kibana can't start up or upgrade due to an Elasticsearch `circuit_breaking_exception`,
# use a smaller batchSize value to reduce the memory pressure. Defaults to 1000 objects per batch.
#migrations.batchSize: 1000

# The maximum payload size for indexing batches of upgraded saved objects.
# To avoid migrations failing due to a 413 Request Entity Too Large response from Elasticsearch.
# This value should be lower than or equal to your Elasticsearch cluster’s `http.max_content_length`
# configuration option. Default: 100mb
#migrations.maxBatchSizeBytes: 100mb

# The number of times to retry temporary migration failures. Increase the setting
# if migrations fail frequently with a message such as `Unable to complete the [...] step after
# 15 attempts, terminating`. Defaults to 15
#migrations.retryAttempts: 15

# =================== Search Autocomplete ===================
# Time in milliseconds to wait for autocomplete suggestions from Elasticsearch.
# This value must be a whole number greater than zero. Defaults to 1000ms
#unifiedSearch.autocomplete.valueSuggestions.timeout: 1000

# Maximum number of documents loaded by each shard to generate autocomplete suggestions.
# This value must be a whole number greater than zero. Defaults to 100_000
#unifiedSearch.autocomplete.valueSuggestions.terminateAfter: 100000

Elasticsearch.yml:

# ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
#       Before you set out to tweak and tune the configuration, make sure you
#       understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: elasticsearch
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
node.name: elsp02
network.host: vm-elsp02
#node.master: true
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
path.data: /apps/elasticsearch/lib/
#
# Path to log files repository::
path.logs: /apps/elasticsearch/logs/
#path.repo: /apps/elasticsearch/elasticrepo
path:
  repo:
    - /apps/repository
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
#bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
#
# Set a custom port for HTTP:
#
#http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when this node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
#discovery.seed_hosts: ["vm-elsp02"]
discovery.seed_hosts: ["vm-elsp01", "vm-elsp03"]
#
# Bootstrap the cluster using an initial set of master-eligible nodes:
#
#cluster.initial_master_nodes: ["elsp02"]
cluster.initial_master_nodes: ["elsp01"]
#
# For more information, consult the discovery and cluster formation module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes:
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true
#
xpack.security.enabled: true
#
# This turns on SSL for the HTTP (Rest) interface
# xpack.security.transport.ssl.enabled: true
xpack.security.http.ssl.enabled: true
xpack.security.http.ssl.key: "/etc/elasticsearch/ca-certificates/elastic.key"
xpack.security.http.ssl.certificate_authorities: [ "/etc/elasticsearch/ca-certificates/ca-bundle.crt" ]
xpack.security.http.ssl.certificate: "/etc/elasticsearch/ca-certificates/elastic.cer"
xpack.security.http.ssl.verification_mode: certificate


xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
xpack.security.transport.ssl.key: "/etc/elasticsearch/ca-certificates/elastic.key"
xpack.security.transport.ssl.certificate:  "/etc/elasticsearch/ca-certificates/elastic.cer"
xpack.security.transport.ssl.certificate_authorities: [ "/etc/elasticsearch/ca-certificates/ca-bundle.crt" ]
# enabling windows authentication
xpack.security.authc.realms:
 active_directory.ad1:
      order: 0
      domain_name: ads.lan
 native.native1:
      order: 1
xpack.notification.email.account:
    exchange_account:
        profile: outlook
        email_defaults:
            from: elastic@domain.com
        smtp:
            auth: true
            starttls.enable: true
            host: mail.domain.com
            port: 587
            user: Pf-Elastic
            ssl.trust: mail.domain.com

ingest.geoip.downloader.enabled: false

Hi @Mister_Alladin ,

Welcome back! Which version of Elasticsearch and Kibana are you using? Can you confirm how you reinstalled? Did you use the upgrade assistant or just a new install?

Hello Carly,
We are using 8.8.2 for both I reinstalled with yum we are running elastic on rocky linux.

Kind regards,

Thanks for confirming. The only mention of ads I can find in your config is the domain_name for the Active Directory realm. Have you checked the yaml to see if there's any hidden whitespace that could be interfering with the config?

Hello yes I am pretty sure I also copied the elasticsearch.yml file from another server where everything is working fine.

Regards

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