# \#azurevm

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## [Invalid XML Map Expressions in Azure VM due to Amazon WAF](https://community.cdata.com/t/invalid-xml-map-expressions-in-azure-vm-due-to-amazon-waf/751)

<div class="topic-metadata">

**Author:** [@Tavis\_H](https://community.cdata.com/u/Tavis_H)\
**Replies:** 0\
**Last updated:** [June 7, 2024, 1:25pm UTC](https://community.cdata.com/t/invalid-xml-map-expressions-in-azure-vm-due-to-amazon-waf/751 "2024-06-07T13:25:51Z")

</div>

When editing an expression in the XML Map connector, there is a built-in script validator that dynamically refreshes as you edit an expression. And this editor will not allow you to commit an invalid expression…