diff --git a/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java b/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java
index 5dd7c6e5088ab..523fc74791e1e 100644
--- a/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java
+++ b/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java
@@ -524,10 +524,10 @@ public boolean isDfsToBlobFallbackEnabled() {
   public void validateConfiguredServiceType(boolean isHNSEnabled)
       throws InvalidConfigurationValueException {
     // TODO: [FnsOverBlob][HADOOP-19179] Remove this check when FNS over Blob is ready.
-//    if (getFsConfiguredServiceType() == AbfsServiceType.BLOB) {
-//      throw new InvalidConfigurationValueException(FS_DEFAULT_NAME_KEY,
-//          "Blob Endpoint Support not yet available");
-//    }
+    if (getFsConfiguredServiceType() == AbfsServiceType.BLOB) {
+      throw new InvalidConfigurationValueException(FS_DEFAULT_NAME_KEY,
+          "Blob Endpoint Support not yet available");
+    }
     if (isHNSEnabled && getConfiguredServiceTypeForFNSAccounts() == AbfsServiceType.BLOB) {
       throw new InvalidConfigurationValueException(
           FS_AZURE_FNS_ACCOUNT_SERVICE_TYPE, "Service Type Cannot be BLOB for HNS Account");