diff --git a/content/operate/kubernetes/active-active/_index.md b/content/operate/kubernetes/active-active/_index.md
index 74e9d973c..6310274ad 100644
--- a/content/operate/kubernetes/active-active/_index.md
+++ b/content/operate/kubernetes/active-active/_index.md
@@ -85,6 +85,8 @@ For a full list of fields and options, see the [RERC API reference](https://gith
 
 ### Limitations
 
+* Existing Redis databases cannot be migrated to a REAADB. (DOC-3594)
+
 * Admission is not blocking REAADB with `shardCount` which exceeds license quota. (RED-96301)
 
     Workaround: Fix the problems with the REAADB and reapply.