diff --git a/src/main/java/com/bettercloud/vault/api/Auth.java b/src/main/java/com/bettercloud/vault/api/Auth.java
index 0e193c8e..751d47c5 100644
--- a/src/main/java/com/bettercloud/vault/api/Auth.java
+++ b/src/main/java/com/bettercloud/vault/api/Auth.java
@@ -13,7 +13,6 @@
 import lombok.Getter;
 
 import java.io.Serializable;
-import java.net.URI;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -225,7 +224,7 @@ public AuthResponse createToken(final TokenRequest tokenRequest, final String to
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -290,7 +289,7 @@ public AuthResponse loginByAppID(final String path, final String appId, final St
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -383,7 +382,7 @@ public AuthResponse loginByAppRole(final String path, final String roleId, final
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -466,7 +465,7 @@ public AuthResponse loginByUserPass(final String username, final String password
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -589,7 +588,7 @@ public AuthResponse loginByAwsEc2(final String role, final String identity, fina
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -666,7 +665,7 @@ public AuthResponse loginByAwsEc2(final String role, final String pkcs7, final S
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -693,6 +692,11 @@ public AuthResponse loginByAwsEc2(final String role, final String pkcs7, final S
         }
     }
 
+    private VaultException createFailedRestCallException(RestResponse restResponse) {
+        return new VaultException(String.format("Vault responded with HTTP status code: %s - Response Body: %s",
+                restResponse.getStatus(), new String(restResponse.getBody())), restResponse.getStatus());
+    }
+
     /**
      * <p>Basic login operation to authenticate to a AWS backend using IAM authentication.  Example usage:</p>
      *
@@ -746,7 +750,7 @@ public AuthResponse loginByAwsIam(final String role, final String iamRequestUrl,
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw createFailedRestCallException(restResponse);
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {