diff --git a/scripts/build/Platform/Windows/build_config.json b/scripts/build/Platform/Windows/build_config.json
index 8ac0b5241c..4c275a49cf 100644
--- a/scripts/build/Platform/Windows/build_config.json
+++ b/scripts/build/Platform/Windows/build_config.json
@@ -89,7 +89,7 @@
       "CONFIGURATION": "profile",
       "SCRIPT_PATH": "scripts/build/TestImpactAnalysis/tiaf_driver.py",
       "SCRIPT_PARAMETERS": 
-      "--config=\"!OUTPUT_DIRECTORY!/bin/TestImpactFramework/profile/Persistent/tiaf.json\" --src-branch=!BRANCH_NAME! --dst-branch=!BRANCH_NAME! --commit=!CHANGE_ID! --s3-bucket=!TEST_IMPACT_S3_BUCKET! --mars-index-prefix=jonawals --suite=main --test-failure-policy=continue"
+      "--config=\"!OUTPUT_DIRECTORY!/bin/TestImpactFramework/profile/Persistent/tiaf.json\" --src-branch=!BRANCH_NAME! --dst-branch=!CHANGE_TARGET! --commit=!CHANGE_ID! --s3-bucket=!TEST_IMPACT_S3_BUCKET! --mars-index-prefix=jonawals --suite=main --test-failure-policy=continue"
     }
   },
   "debug_vs2019": {
diff --git a/scripts/build/TestImpactAnalysis/git_utils.py b/scripts/build/TestImpactAnalysis/git_utils.py
index 04d994ba4a..3561b337f3 100644
--- a/scripts/build/TestImpactAnalysis/git_utils.py
+++ b/scripts/build/TestImpactAnalysis/git_utils.py
@@ -32,7 +32,9 @@ class Repo:
 
         try:
             # Remove the existing file (if any) and create the parent directory
-            output_path.unlink(missing_ok=True)
+            # output_path.unlink(missing_ok=True) # missing_ok is only available in Python 3.8+
+            if output_path.is_file():
+                output_path.unlink()
             output_path.parent.mkdir(exist_ok=True)
         except EnvironmentError as e:
             raise RuntimeError(f"Could not create path for output file '{output_path}'")
diff --git a/scripts/build/TestImpactAnalysis/tiaf_persistent_storage_s3.py b/scripts/build/TestImpactAnalysis/tiaf_persistent_storage_s3.py
index 75c4bc93d5..09b4df0564 100644
--- a/scripts/build/TestImpactAnalysis/tiaf_persistent_storage_s3.py
+++ b/scripts/build/TestImpactAnalysis/tiaf_persistent_storage_s3.py
@@ -48,14 +48,11 @@ class PersistentStorageS3(PersistentStorage):
             for object in self._bucket.objects.filter(Prefix=self._historic_data_key):
                 logger.info(f"Historic data found for branch '{branch}'.")
 
-                # Archive the existing object with the name of the existing last commit hash
-                archive_key = f"{self._dir}/archive/{self._last_commit_hash}.{object_extension}"
-                logger.info(f"Archiving existing historic data to {archive_key}...")
-                self._bucket.copy({"Bucket": self._bucket.name, "Key": self._historic_data_key}, archive_key)
-
                 # Decode the historic data object into raw bytes
+                logger.info(f"Attempting to decode historic data object...")
                 response = object.get()
                 file_stream = response['Body']
+                logger.info(f"Decoding complete.")
 
                 # Decompress and unpack the zipped historic data JSON
                 historic_data_json = zlib.decompress(file_stream.read()).decode('UTF-8')
@@ -79,7 +76,7 @@ class PersistentStorageS3(PersistentStorage):
         try:
             data = BytesIO(zlib.compress(bytes(historic_data_json, "UTF-8")))
             logger.info(f"Uploading historic data to location '{self._historic_data_key}'...")
-            self._bucket.upload_fileobj(data, self._historic_data_key)
+            self._bucket.upload_fileobj(data, self._historic_data_key, ExtraArgs={'ACL': 'bucket-owner-full-control'})
             logger.info("Upload complete.")
         except botocore.exceptions.BotoCoreError as e:
             logger.error(f"There was a problem with the s3 bucket: {e}")