diff --git a/config/providers/azure/sc-config.yaml b/config/providers/azure/sc-config.yaml
index ab40a230b..2a036cd69 100644
--- a/config/providers/azure/sc-config.yaml
+++ b/config/providers/azure/sc-config.yaml
@@ -9,3 +9,8 @@ fluentd:
       # azcopy is used by az CLI for downloading files
       azureCopyBufferGB: 0.3
       azureCopyConcurrency: 8
+
+objectStorage:
+  sync:
+    ## If Harbor or Thanos are using swift then we will automatically use swift for the sync, regardless of the value set for type.
+    destinationType: azure
diff --git a/config/sc-config.yaml b/config/sc-config.yaml
index 939b3fc1a..beabfa2c9 100644
--- a/config/sc-config.yaml
+++ b/config/sc-config.yaml
@@ -64,7 +64,6 @@ objectStorage:
     enabled: false
     dryrun: false
 
-    ## Only 's3' is currently supported for `.objectStorage.sync.destinationType` as not all default buckets applications have swift support.
     ## If Harbor or Thanos are using swift then we will automatically use swift for the sync, regardless of the value set for type.
     destinationType: s3
     # secondaryUrl: set-me if regionEndpoint and or authUrl does not have all the relevant ips and or ports used for rclone-sync networkpolicy.
diff --git a/migration/v0.42/README.md b/migration/v0.42/README.md
index 47a581007..b2430d04d 100644
--- a/migration/v0.42/README.md
+++ b/migration/v0.42/README.md
@@ -127,6 +127,15 @@ As with all scripts in this repository `CK8S_CONFIG_PATH` is expected to be set.
     export CK8S_CLUSTER=<wc|sc|both>
     ```
 
+1. Update objectStorage.sync.destinationType for azure clusters
+
+    Ensure that objectStorage.sync.destinationType keeps current value for azure clusters that have sync enabled.
+    Default is updated to `azure` for azure clusters.
+
+    ```bash
+    ./migration/v0.42/prepare/40-azure-sync-destination-type.sh
+    ```
+
 1. Update apps configuration:
 
     This will take a backup into `backups/` before modifying any files.
diff --git a/migration/v0.42/prepare/40-azure-sync-destination-type.sh b/migration/v0.42/prepare/40-azure-sync-destination-type.sh
new file mode 100755
index 000000000..40715eb23
--- /dev/null
+++ b/migration/v0.42/prepare/40-azure-sync-destination-type.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+HERE="$(dirname "$(readlink -f "${0}")")"
+ROOT="$(readlink -f "${HERE}/../../../")"
+
+# shellcheck source=scripts/migration/lib.sh
+source "${ROOT}/scripts/migration/lib.sh"
+
+log_info "configuring object storage sync type on azure"
+if [[ "${CK8S_CLUSTER}" =~ ^(sc|both)$ ]]; then
+  cloud_provider=$(yq_dig sc .global.ck8sCloudProvider)
+  if [[ "${cloud_provider}" != "azure" ]]; then
+    log_info "not running on azure, skipping"
+    exit 0
+  fi
+
+  if yq_check sc .objectStorage.sync.enabled true; then
+    if yq_null sc .objectStorage.sync.destinationType; then
+      log_info "objectStorage sync is enabled, will keep previous default destinationType: s3"
+      yq_add sc .objectStorage.sync.destinationType "\"s3\""
+    else
+      log_info "sync destinationType already has an override, skipping"
+    fi
+  else
+    log_info "object storage sync is not enabled, will use new default destinationType: azure"
+  fi
+fi