diff --git a/config/config_test.go b/config/config_test.go
index 63ed95125..08a27d37e 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -751,6 +751,22 @@ var expectedErrors = []struct {
 		filename: "section_key_dup.bad.yml",
 		errMsg:   "field scrape_configs already set in type config.plain",
 	},
+	{
+		filename: "azure_client_id_missing.bad.yml",
+		errMsg:   "Azure SD configuration requires a client_id",
+	},
+	{
+		filename: "azure_client_secret_missing.bad.yml",
+		errMsg:   "Azure SD configuration requires a client_secret",
+	},
+	{
+		filename: "azure_subscription_id_missing.bad.yml",
+		errMsg:   "Azure SD configuration requires a subscription_id",
+	},
+	{
+		filename: "azure_tenant_id_missing.bad.yml",
+		errMsg:   "Azure SD configuration requires a tenant_id",
+	},
 }
 
 func TestBadConfigs(t *testing.T) {
diff --git a/config/testdata/azure_client_id_missing.bad.yml b/config/testdata/azure_client_id_missing.bad.yml
new file mode 100644
index 000000000..f8da2ff9c
--- /dev/null
+++ b/config/testdata/azure_client_id_missing.bad.yml
@@ -0,0 +1,7 @@
+scrape_configs:
+  - job_name: azure
+    azure_sd_configs:
+      - subscription_id: 11AAAA11-A11A-111A-A111-1111A1111A11
+        tenant_id: BBBB222B-B2B2-2B22-B222-2BB2222BB2B2
+        client_id:
+        client_secret: mysecret
\ No newline at end of file
diff --git a/config/testdata/azure_client_secret_missing.bad.yml b/config/testdata/azure_client_secret_missing.bad.yml
new file mode 100644
index 000000000..1295c8ad5
--- /dev/null
+++ b/config/testdata/azure_client_secret_missing.bad.yml
@@ -0,0 +1,7 @@
+scrape_configs:
+  - job_name: azure
+    azure_sd_configs:
+      - subscription_id: 11AAAA11-A11A-111A-A111-1111A1111A11
+        tenant_id: BBBB222B-B2B2-2B22-B222-2BB2222BB2B2
+        client_id: 333333CC-3C33-3333-CCC3-33C3CCCCC33C
+        client_secret:
\ No newline at end of file
diff --git a/config/testdata/azure_subscription_id_missing.bad.yml b/config/testdata/azure_subscription_id_missing.bad.yml
new file mode 100644
index 000000000..997613882
--- /dev/null
+++ b/config/testdata/azure_subscription_id_missing.bad.yml
@@ -0,0 +1,7 @@
+scrape_configs:
+  - job_name: azure
+    azure_sd_configs:
+      - subscription_id:
+        tenant_id: BBBB222B-B2B2-2B22-B222-2BB2222BB2B2
+        client_id: 333333CC-3C33-3333-CCC3-33C3CCCCC33C
+        client_secret: mysecret
\ No newline at end of file
diff --git a/config/testdata/azure_tenant_id_missing.bad.yml b/config/testdata/azure_tenant_id_missing.bad.yml
new file mode 100644
index 000000000..ac714d9b5
--- /dev/null
+++ b/config/testdata/azure_tenant_id_missing.bad.yml
@@ -0,0 +1,7 @@
+scrape_configs:
+  - job_name: azure
+    azure_sd_configs:
+      - subscription_id: 11AAAA11-A11A-111A-A111-1111A1111A11
+        tenant_id:
+        client_id: 333333CC-3C33-3333-CCC3-33C3CCCCC33C
+        client_secret: mysecret
\ No newline at end of file
diff --git a/discovery/azure/azure.go b/discovery/azure/azure.go
index 6a553af96..7c999382e 100644
--- a/discovery/azure/azure.go
+++ b/discovery/azure/azure.go
@@ -80,6 +80,13 @@ type SDConfig struct {
 	RefreshInterval model.Duration     `yaml:"refresh_interval,omitempty"`
 }
 
+func validateAuthParam(param, name string) error {
+	if len(param) == 0 {
+		return fmt.Errorf("Azure SD configuration requires a %s", name)
+	}
+	return nil
+}
+
 // UnmarshalYAML implements the yaml.Unmarshaler interface.
 func (c *SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	*c = DefaultSDConfig
@@ -88,8 +95,17 @@ func (c *SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	if err != nil {
 		return err
 	}
-	if c.SubscriptionID == "" {
-		return fmt.Errorf("Azure SD configuration requires a subscription_id")
+	if err = validateAuthParam(c.SubscriptionID, "subscription_id"); err != nil {
+		return err
+	}
+	if err = validateAuthParam(c.TenantID, "tenant_id"); err != nil {
+		return err
+	}
+	if err = validateAuthParam(c.ClientID, "client_id"); err != nil {
+		return err
+	}
+	if err = validateAuthParam(string(c.ClientSecret), "client_secret"); err != nil {
+		return err
 	}
 	return nil
 }