As Sitecore architects, we often face a specific requirement: Read-Only Fields. Whether you are pulling product data from a PIM, customer IDs from a CRM, or metadata from an external ERP, you need those fields to be visible to Content Authors but strictly uneditable. The goal is simple: the external system is the "Source of Truth," and manual edits in Sitecore would cause data desync. Recently, a common hurdle has surfaced in XM Cloud environments regarding Field Write permissions. Let’s dive into why this happens and how to fix it. The Challenge Typically, to make a field read-only across an entire site, we: Open the Security Editor . Enable the Field Write column. Deny Field Write on the Template item, expecting it to propagate to all content items. The Problem: Many developers report that while they can see the "Field Write" column, the option to actually assign a "Deny" or "Grant" is missing when selecting the Template item itself. Why i...
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