# Packer 1.7.3 \* "{{user \`kms\_key\_id\`}}" is not a valid KMS Key Id

**URL:** <https://discuss.hashicorp.com/t/packer-1-7-3-user-kms-key-id-is-not-a-valid-kms-key-id/25528>\
**Category:** Packer\
**Created:** [June 16, 2021, 9:41am UTC](https://discuss.hashicorp.com/t/packer-1-7-3-user-kms-key-id-is-not-a-valid-kms-key-id/25528 "2021-06-16T09:41:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rajamecs](https://sea2.discourse-cdn.com/hashicorp/user_avatar/discuss.hashicorp.com/rajamecs/32/20054_2.png) [@rajamecs](https://discuss.hashicorp.com/u/rajamecs)\
**Post date:** [June 16, 2021, 9:41am UTC](https://discuss.hashicorp.com/t/packer-1-7-3-user-kms-key-id-is-not-a-valid-kms-key-id/25528/1 "2021-06-16T09:41:19Z")

</div>

Hi Team,  
The same works with Packer 1.7.2 but breaks with 1.7.3 which got released yesterday Jun 15 2021. Just bringing to your attention, I tried with alias and arn , failing for both.

- “{{user `kms_key_id`}}” is not a valid KMS Key Id.

Packer-vars.json:  
“kms\_key\_id”: “alias/xyz”