diff --git a/tests/unitary/with_extras/model/test_env_info.py b/tests/unitary/with_extras/model/test_env_info.py
index 41fd31574..ce1695283 100644
--- a/tests/unitary/with_extras/model/test_env_info.py
+++ b/tests/unitary/with_extras/model/test_env_info.py
@@ -181,24 +181,30 @@ def test_from_slug_not_exist(self, mock_get_service_packs):
                 "mlcpuv1": ("test_path", "3.6"),
             },
         )
-        with pytest.raises(
-            ValueError,
-            match="conda environment slug `not_exist` could not be resolved",
-        ):
+        with pytest.raises(ValueError) as exc_info:
             TrainingEnvInfo.from_slug(
                 "not_exist", namespace="ociodscdev", bucketname="service-conda-packs"
             )
+        error_message = str(exc_info.value)
+        assert (
+            "conda environment slug `not_exist` could not be resolved" in error_message
+        )
+        assert "full OCI path from Environment Explorer" in error_message
 
     @patch("ads.model.runtime.env_info.get_service_packs")
     def test_from_slug_service_pack_list_not_extracted(self, mock_get_service_packs):
         mock_get_service_packs.return_value = ({}, {})
-        with pytest.raises(
-            ValueError,
-            match="service conda environment list could not be extracted",
-        ):
+        with pytest.raises(ValueError) as exc_info:
             TrainingEnvInfo.from_slug(
                 "mlcpuv1", namespace="ociodscdev", bucketname="service-conda-packs"
             )
+        error_message = str(exc_info.value)
+        assert (
+            "service conda environment list could not be extracted" in error_message
+        )
+        assert (
+            "full conda environment path from Environment Explorer" in error_message
+        )
 
     @patch("ads.model.runtime.env_info.get_service_packs")
     @patch("ads.model.runtime.env_info.utils.is_path_exists", return_value=True)
@@ -249,11 +255,17 @@ def test_from_path(
     @patch("ads.model.runtime.env_info.utils.is_path_exists", return_value=False)
     def test_from_path_not_accessible(self, _mock_is_path_exists, mock_get_service_packs):
         env_path = "oci://license_checker@ociodscdev/conda/missing"
-        with pytest.raises(
-            ValueError,
-            match="conda environment path `oci://license_checker@ociodscdev/conda/missing` does not exist or is not accessible",
-        ):
+        with pytest.raises(ValueError) as exc_info:
             TrainingEnvInfo.from_path(env_path, auth={"signer": object()})
+        error_message = str(exc_info.value)
+        assert f"conda environment path `{env_path}`" in error_message
+        assert "does not exist or is not accessible" in error_message
+        assert (
+            "valid full conda environment path from Environment Explorer"
+            in error_message
+        )
+        assert "service conda environment list" not in error_message
+        assert "conda environment slug" not in error_message
         mock_get_service_packs.assert_not_called()
 
     def test_from_dict(self):
@@ -330,24 +342,30 @@ def test_from_slug_not_exist(self, mock_get_service_packs):
                 "mlcpuv1": ("test_path", "3.6"),
             },
         )
-        with pytest.raises(
-            ValueError,
-            match="conda environment slug `not_exist` could not be resolved",
-        ):
+        with pytest.raises(ValueError) as exc_info:
             InferenceEnvInfo.from_slug(
                 "not_exist", namespace="ociodscdev", bucketname="service-conda-packs"
             )
+        error_message = str(exc_info.value)
+        assert (
+            "conda environment slug `not_exist` could not be resolved" in error_message
+        )
+        assert "full OCI path from Environment Explorer" in error_message
 
     @patch("ads.model.runtime.env_info.get_service_packs")
     def test_from_slug_service_pack_list_not_extracted(self, mock_get_service_packs):
         mock_get_service_packs.return_value = ({}, {})
-        with pytest.raises(
-            ValueError,
-            match="service conda environment list could not be extracted",
-        ):
+        with pytest.raises(ValueError) as exc_info:
             InferenceEnvInfo.from_slug(
                 "mlcpuv1", namespace="ociodscdev", bucketname="service-conda-packs"
             )
+        error_message = str(exc_info.value)
+        assert (
+            "service conda environment list could not be extracted" in error_message
+        )
+        assert (
+            "full conda environment path from Environment Explorer" in error_message
+        )
 
     @patch("ads.model.runtime.env_info.get_service_packs")
     @patch("ads.model.runtime.env_info.utils.is_path_exists", return_value=True)
@@ -390,6 +408,23 @@ def test_from_path(
         mock_get_service_packs.assert_not_called()
         mock_fetch_metadata.assert_called_once()
 
+    @patch("ads.model.runtime.env_info.get_service_packs")
+    @patch("ads.model.runtime.env_info.utils.is_path_exists", return_value=False)
+    def test_from_path_not_accessible(self, _mock_is_path_exists, mock_get_service_packs):
+        env_path = "oci://license_checker@ociodscdev/conda/missing"
+        with pytest.raises(ValueError) as exc_info:
+            InferenceEnvInfo.from_path(env_path, auth={"signer": object()})
+        error_message = str(exc_info.value)
+        assert f"conda environment path `{env_path}`" in error_message
+        assert "does not exist or is not accessible" in error_message
+        assert (
+            "valid full conda environment path from Environment Explorer"
+            in error_message
+        )
+        assert "service conda environment list" not in error_message
+        assert "conda environment slug" not in error_message
+        mock_get_service_packs.assert_not_called()
+
     def test_from_dict(self):
         info = InferenceEnvInfo.from_dict(
             self.runtime_dict["MODEL_DEPLOYMENT"]["INFERENCE_CONDA_ENV"]