diff --git a/backend/danswer/background/indexing/run_indexing.py b/backend/danswer/background/indexing/run_indexing.py
index d65b4b0c9..86b428536 100644
--- a/backend/danswer/background/indexing/run_indexing.py
+++ b/backend/danswer/background/indexing/run_indexing.py
@@ -384,17 +384,22 @@ def _prepare_index_attempt(db_session: Session, index_attempt_id: int) -> IndexA
     return attempt
 
 
-def run_indexing_entrypoint(index_attempt_id: int, is_ee: bool = False) -> None:
+def run_indexing_entrypoint(
+    index_attempt_id: int, connector_credential_pair_id: int, is_ee: bool = False
+) -> None:
     """Entrypoint for indexing run when using dask distributed.
     Wraps the actual logic in a `try` block so that we can catch any exceptions
     and mark the attempt as failed."""
+
     try:
         if is_ee:
             global_version.set_ee()
 
         # set the indexing attempt ID so that all log messages from this process
         # will have it added as a prefix
-        IndexAttemptSingleton.set_index_attempt_id(index_attempt_id)
+        IndexAttemptSingleton.set_cc_and_index_id(
+            index_attempt_id, connector_credential_pair_id
+        )
 
         with Session(get_sqlalchemy_engine()) as db_session:
             # make sure that it is valid to run this indexing attempt + mark it
diff --git a/backend/danswer/background/update.py b/backend/danswer/background/update.py
index 10fa36a1d..5fde7cb3d 100755
--- a/backend/danswer/background/update.py
+++ b/backend/danswer/background/update.py
@@ -341,6 +341,7 @@ def kickoff_indexing_jobs(
             run = secondary_client.submit(
                 run_indexing_entrypoint,
                 attempt.id,
+                attempt.connector_credential_pair_id,
                 global_version.get_is_ee_version(),
                 pure=False,
             )
@@ -348,6 +349,7 @@ def kickoff_indexing_jobs(
             run = client.submit(
                 run_indexing_entrypoint,
                 attempt.id,
+                attempt.connector_credential_pair_id,
                 global_version.get_is_ee_version(),
                 pure=False,
             )
diff --git a/backend/danswer/utils/logger.py b/backend/danswer/utils/logger.py
index a7751ca3d..9489a6244 100644
--- a/backend/danswer/utils/logger.py
+++ b/backend/danswer/utils/logger.py
@@ -19,14 +19,22 @@ class IndexAttemptSingleton:
     main background job (scheduler), etc. this will not be used."""
 
     _INDEX_ATTEMPT_ID: None | int = None
+    _CONNECTOR_CREDENTIAL_PAIR_ID: None | int = None
 
     @classmethod
     def get_index_attempt_id(cls) -> None | int:
         return cls._INDEX_ATTEMPT_ID
 
     @classmethod
-    def set_index_attempt_id(cls, index_attempt_id: int) -> None:
+    def get_connector_credential_pair_id(cls) -> None | int:
+        return cls._CONNECTOR_CREDENTIAL_PAIR_ID
+
+    @classmethod
+    def set_cc_and_index_id(
+        cls, index_attempt_id: int, connector_credential_pair_id: int
+    ) -> None:
         cls._INDEX_ATTEMPT_ID = index_attempt_id
+        cls._CONNECTOR_CREDENTIAL_PAIR_ID = connector_credential_pair_id
 
 
 def get_log_level_from_str(log_level_str: str = LOG_LEVEL) -> int:
@@ -50,9 +58,14 @@ class DanswerLoggingAdapter(logging.LoggerAdapter):
         # If this is an indexing job, add the attempt ID to the log message
         # This helps filter the logs for this specific indexing
         attempt_id = IndexAttemptSingleton.get_index_attempt_id()
+        cc_pair_id = IndexAttemptSingleton.get_connector_credential_pair_id()
+
         if attempt_id is not None:
             msg = f"[Attempt ID: {attempt_id}] {msg}"
 
+        if cc_pair_id is not None:
+            msg = f"[CC Pair ID: {cc_pair_id}] {msg}"
+
         # For Slack Bot, logs the channel relevant to the request
         channel_id = self.extra.get(SLACK_CHANNEL_ID) if self.extra else None
         if channel_id: