diff --git a/litellm/proxy/_types.py b/litellm/proxy/_types.py
index 12f6cdf600d..da7e1f5a049 100644
--- a/litellm/proxy/_types.py
+++ b/litellm/proxy/_types.py
@@ -2169,7 +2169,6 @@ class ConfigGeneralSettings(LiteLLMPydanticObjectBase):
     supported_db_objects: Optional[List[SupportedDBObjectType]] = Field(
         None,
         description="Fine-grained control over which object types to load from the database when store_model_in_db is True. Available types: 'models', 'mcp', 'guardrails', 'vector_stores', 'pass_through_endpoints', 'prompts', 'model_cost_map', 'tools', 'config_overrides'. If not set, all objects are loaded (default behavior).",
-        description="Fine-grained control over which object types to load from the database when store_model_in_db is True. Available types: 'models', 'mcp', 'guardrails', 'vector_stores', 'pass_through_endpoints', 'prompts', 'model_cost_map', 'tools'. If not set, all objects are loaded (default behavior).",
     )
     user_mcp_management_mode: Optional[UserMCPManagementMode] = Field(
         None,
diff --git a/litellm/proxy/management_endpoints/config_override_endpoints.py b/litellm/proxy/management_endpoints/config_override_endpoints.py
index 78cb91b3483..f1d6cacf1e7 100644
--- a/litellm/proxy/management_endpoints/config_override_endpoints.py
+++ b/litellm/proxy/management_endpoints/config_override_endpoints.py
@@ -1,3 +1,4 @@
+import asyncio
 import json
 import os
 from typing import Any, Dict, Set
@@ -216,7 +217,7 @@ async def update_hashicorp_vault_config(
         )
         raise HTTPException(
             status_code=500,
-            detail="Failed to initialize secret manager",
+            detail=f"Failed to initialize secret manager: {e}",
         )
 
     # Only persist to DB after successful init
@@ -378,11 +379,11 @@ async def test_hashicorp_vault_connection(
 
     # Step 1: Authenticate (exercises AppRole login, TLS cert login, or direct token)
     try:
-        headers = client._get_request_headers()
+        headers = await asyncio.to_thread(client._get_request_headers)
     except Exception as e:
         raise HTTPException(
             status_code=502,
-            detail="Vault authentication failed",
+            detail=f"Vault authentication failed: {e}",
         )
 
     # Step 2: Verify the token is valid via token/lookup-self
@@ -396,7 +397,7 @@ async def test_hashicorp_vault_connection(
     except Exception as e:
         raise HTTPException(
             status_code=502,
-            detail="Vault token validation failed",
+            detail=f"Vault token validation failed: {e}",
         )
 
     return {