# Generate certificates

**URL:** <https://discuss.elastic.co/t/generate-certificates/237403>\
**Category:** Elasticsearch\
**Created:** [June 17, 2020, 6:27am UTC](https://discuss.elastic.co/t/generate-certificates/237403 "2020-06-17T06:27:16Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Aayush\_Agrawal](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aayush_agrawal/32/56095_2.png) [@Aayush\_Agrawal](https://discuss.elastic.co/u/Aayush_Agrawal)\
**Post date:** [June 17, 2020, 6:27am UTC](https://discuss.elastic.co/t/generate-certificates/237403/1 "2020-06-17T06:27:16Z")

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Trying to generate certificates using below command  
bin/elasticsearch-certutil ca --pem  
Getting below error  
Exception in thread "main" java.lang.IllegalArgumentException: Could not resolve placeholder 'FQDN'  
at org.elasticsearch.common.settings.PropertyPlaceholder.parseStringValue(PropertyPlaceholder.java:116)  
at org.elasticsearch.common.settings.PropertyPlaceholder.replacePlaceholders(PropertyPlaceholder.java:69)  
at org.elasticsearch.common.settings.Settings$Builder.replacePropertyPlaceholders(Settings.java:1198)  
at org.elasticsearch.common.settings.Settings$Builder.replacePropertyPlaceholders(Settings.java:1160)  
at org.elasticsearch.node.InternalSettingsPreparer.initializeSettings(InternalSettingsPreparer.java:128)  
at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:107)  
at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:95)  
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)  
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)  
at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:77)  
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)  
at org.elasticsearch.cli.Command.main(Command.java:90)  
at org.elasticsearch.xpack.security.cli.CertificateTool.main(CertificateTool.java:137)

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 15, 2020, 6:27am UTC](https://discuss.elastic.co/t/generate-certificates/237403/2 "2020-07-15T06:27:25Z")

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