diff --git a/include/libgourou.h b/include/libgourou.h
index 0d62700..8c6e957 100644
--- a/include/libgourou.h
+++ b/include/libgourou.h
@@ -194,6 +194,8 @@ namespace gourou
 	void buildActivateReq(pugi::xml_document& activateReq);
 	ByteArray sendFulfillRequest(const pugi::xml_document& document, const std::string& url);
 	void buildSignInRequest(pugi::xml_document& signInRequest, const std::string& adobeID, const std::string& adobePassword, const std::string& authenticationCertificate);
+	void fetchLicenseServiceCertificate(const std::string& licenseURL,
+					    const std::string& operatorURL);
     };
 }
 
diff --git a/include/user.h b/include/user.h
index 625862e..4966dc5 100644
--- a/include/user.h
+++ b/include/user.h
@@ -14,13 +14,15 @@
   GNU Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public License
-  along with libgourou.  If not, see <http://www.gnu.org/licenses/>.
+  along with libgourou. If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef _USER_H_
 #define _USER_H_
 
 #include <string>
+#include <map>
+
 #include "bytearray.h"
 
 #include <pugixml.hpp>
@@ -46,7 +48,7 @@ namespace gourou
 	std::string& getDeviceFingerprint();
 	std::string& getUsername();
 	std::string& getLoginMethod();
-	std::string& getCertificate();
+	std::string  getLicenseServiceCertificate(std::string url);
 	std::string& getAuthenticationCertificate();
 	std::string& getPrivateLicenseKey();
 
@@ -95,7 +97,7 @@ namespace gourou
 	std::string deviceFingerprint;
 	std::string username;
 	std::string loginMethod;
-	std::string certificate;
+	std::map<std::string,std::string> licenseServiceCertificates;
 	std::string authenticationCertificate;
 	std::string privateLicenseKey;
 
diff --git a/src/fulfillment_item.cpp b/src/fulfillment_item.cpp
index e69e446..f290d4f 100644
--- a/src/fulfillment_item.cpp
+++ b/src/fulfillment_item.cpp
@@ -36,6 +36,12 @@ namespace gourou
 	if (downloadURL == "")
 	    EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No download URL in document");
 	
+	node = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/resource").node();
+	resource = node.first_child().value();
+
+	if (resource == "")
+	    EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No resource in document");
+
 	pugi::xml_node licenseToken = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/licenseToken").node();
 
 	if (!licenseToken)
@@ -55,12 +61,14 @@ namespace gourou
 	pugi::xml_node newLicenseToken = root.append_copy(licenseToken);
 	if (!newLicenseToken.attribute("xmlns"))
 	    newLicenseToken.append_attribute("xmlns") = ADOBE_ADEPT_NS;
-	
-	pugi::xml_node licenseServiceInfo = root.append_child("licenseServiceInfo");
-	licenseServiceInfo.append_attribute("xmlns") = ADOBE_ADEPT_NS;
-	licenseServiceInfo.append_copy(licenseToken.select_node("licenseURL").node());
-	pugi::xml_node certificate = licenseServiceInfo.append_child("certificate");
-	certificate.append_child(pugi::node_pcdata).set_value(user->getCertificate().c_str());
+
+	pugi::xml_node licenseServiceInfo = root.append_child("adept:licenseServiceInfo");
+	pugi::xml_node licenseURL = licenseToken.select_node("licenseURL").node();
+	licenseURL.set_name("adept:licenseURL");
+	licenseServiceInfo.append_copy(licenseURL);
+	pugi::xml_node certificate = licenseServiceInfo.append_child("adept:certificate");
+	std::string certificateValue = user->getLicenseServiceCertificate(licenseURL.first_child().value());
+	certificate.append_child(pugi::node_pcdata).set_value(certificateValue.c_str());
     }
     
     std::string FulfillmentItem::getMetadata(std::string name)
@@ -88,4 +96,9 @@ namespace gourou
     {
 	return downloadURL;
     }
+
+    std::string FulfillmentItem::getResource()
+    {
+	return resource;
+    }
 }
diff --git a/src/libgourou.cpp b/src/libgourou.cpp
index 65d961d..d86c4aa 100644
--- a/src/libgourou.cpp
+++ b/src/libgourou.cpp
@@ -33,6 +33,7 @@
 #define ASN_TEXT        0x04
 #define ASN_ATTRIBUTE   0x05
 
+
 namespace gourou
 {
     GOUROU_LOG_LEVEL logLevel = WARN;
@@ -453,6 +454,49 @@ namespace gourou
 	appendTextElem(activationToken, "adept:device", user->getDeviceUUID());
     }
 
+    void DRMProcessor::fetchLicenseServiceCertificate(const std::string& licenseURL,
+						      const std::string& operatorURL)
+    {
+	if (user->getLicenseServiceCertificate(licenseURL) != "")
+	    return;
+
+	std::string licenseServiceInfoReq = operatorURL + "/LicenseServiceInfo?licenseURL=" + licenseURL;
+	
+	ByteArray replyData;
+	replyData = sendRequest(licenseServiceInfoReq);
+
+	pugi::xml_document licenseServicesDoc;
+	licenseServicesDoc.load_buffer(replyData.data(), replyData.length());
+
+	// Add new license certificate
+	pugi::xml_document activationDoc;
+	user->readActivation(activationDoc);
+
+	pugi::xml_node root;
+	pugi::xpath_node xpathRes = activationDoc.select_node("//adept:licenseServices");
+
+	// Create adept:licenseServices if it doesn't exists
+	if (!xpathRes)
+	{
+	    xpathRes = activationDoc.select_node("/activationInfo");
+	    root = xpathRes.node();
+	    root = root.append_child("adept:licenseServices");
+	    root.append_attribute("xmlns:adept") = ADOBE_ADEPT_NS;
+	}
+	else
+	    root = xpathRes.node();
+
+	root = root.append_child("adept:licenseServiceInfo");
+
+	std::string certificate = extractTextElem(licenseServicesDoc,
+						  "/licenseServiceInfo/certificate");
+
+	appendTextElem(root, "adept:licenseURL", licenseURL);
+	appendTextElem(root, "adept:certificate", certificate);
+
+	user->updateActivationFile(activationDoc);
+    }
+    
     FulfillmentItem* DRMProcessor::fulfill(const std::string& ACSMFile)
     {
 	if (!user->getPKCS12().length())
@@ -495,15 +539,16 @@ namespace gourou
 	    EXCEPTION(FF_NO_OPERATOR_URL, "OperatorURL not found in ACSM document");
 	
 	std::string operatorURL = node.node().first_child().value();
-	operatorURL = trim(operatorURL) + "/Fulfill";
+	operatorURL = trim(operatorURL);
+	std::string fulfillURL = operatorURL + "/Fulfill";
 
-	operatorAuth(operatorURL);
+	operatorAuth(fulfillURL);
 	
 	ByteArray replyData;
 
 	try
 	{
-	    replyData = sendRequest(fulfillReq, operatorURL);
+	    replyData = sendRequest(fulfillReq, fulfillURL);
 	}
 	catch (gourou::Exception& e)
 	{
@@ -515,8 +560,8 @@ namespace gourou
 	    if (e.getErrorCode() == GOUROU_ADEPT_ERROR &&
 		errorMsg.find("E_ADEPT_DISTRIBUTOR_AUTH") != std::string::npos)
 	    {
-		doOperatorAuth(operatorURL);
-		replyData = sendRequest(fulfillReq, operatorURL);
+		doOperatorAuth(fulfillURL);
+		replyData = sendRequest(fulfillReq, fulfillURL);
 	    }
 	    else
 	    {
@@ -527,7 +572,11 @@ namespace gourou
 	pugi::xml_document fulfillReply;
 
 	fulfillReply.load_string((const char*)replyData.data());
+
+	std::string licenseURL = extractTextElem(fulfillReply, "//licenseToken/licenseURL");
 	
+	fetchLicenseServiceCertificate(licenseURL, operatorURL);
+
 	return new FulfillmentItem(fulfillReply, user);
     }
 
diff --git a/src/user.cpp b/src/user.cpp
index b90e3e8..4d7817b 100644
--- a/src/user.cpp
+++ b/src/user.cpp
@@ -48,7 +48,6 @@ namespace gourou {
 	    uuid        = gourou::extractTextElem(activationDoc, "//adept:user", throwOnNull);
 	    deviceUUID  = gourou::extractTextElem(activationDoc, "//device", throwOnNull);
 	    deviceFingerprint = gourou::extractTextElem(activationDoc, "//fingerprint", throwOnNull);
-	    certificate = gourou::extractTextElem(activationDoc, "//adept:certificate", throwOnNull);
 	    authenticationCertificate = gourou::extractTextElem(activationDoc, "//adept:authenticationCertificate", throwOnNull);
 	    privateLicenseKey = gourou::extractTextElem(activationDoc, "//adept:privateLicenseKey", throwOnNull);
 	    username    = gourou::extractTextElem(activationDoc, "//adept:username", throwOnNull);
@@ -61,6 +60,15 @@ namespace gourou {
 		if (throwOnNull)
 		    EXCEPTION(USER_INVALID_ACTIVATION_FILE, "Invalid activation file");
 	    }
+
+	    pugi::xpath_node_set nodeSet = activationDoc.select_nodes("//adept:licenseServices/adept:licenseServiceInfo");
+	    for (pugi::xpath_node_set::const_iterator it = nodeSet.begin();
+		 it != nodeSet.end(); ++it)
+	    {
+		std::string url = gourou::extractTextElem(it->node(), "adept:licenseURL");
+		std::string certificate = gourou::extractTextElem(it->node(), "adept:certificate");
+		licenseServiceCertificates[url] = certificate;
+	    }
 	}
 	catch(gourou::Exception& e)
 	{
@@ -74,7 +82,6 @@ namespace gourou {
     std::string& User::getDeviceFingerprint() { return deviceFingerprint; }
     std::string& User::getUsername()          { return username; }
     std::string& User::getLoginMethod()       { return loginMethod; }
-    std::string& User::getCertificate()       { return certificate; }
     std::string& User::getAuthenticationCertificate() { return authenticationCertificate; }
     std::string& User::getPrivateLicenseKey() { return privateLicenseKey; }
     
@@ -200,4 +207,13 @@ namespace gourou {
 	
 	return user;
     }
+
+    std::string User::getLicenseServiceCertificate(std::string url)
+    {
+	if (licenseServiceCertificates.count(trim(url)))
+	    return licenseServiceCertificates[trim(url)];
+
+	return "";
+    }
+
 }