diff --git a/essai.csr b/essai.csr
deleted file mode 100644
index 10c3ac5..0000000
--- a/essai.csr
+++ /dev/null
@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE REQUEST-----
-MIIDHzCCAgcCAQIwdDEbMBkGA1UEAwwScHJpbnRlci50cm9uZWwub3JnMQ8wDQYD
-VQQKDAZUcm9uZWwxEzARBgNVBAsMCnRyb25lbC5vcmcxCzAJBgNVBAYTAkZSMREw
-DwYDVQQIDAhCcml0YW5ueTEPMA0GA1UEBwwGQmV0dG9uMIIBIjANBgkqhkiG9w0B
-AQEFAAOCAQ8AMIIBCgKCAQEAtypYhk+YsTH+hIM1sZ7VcjmPkpPyZli0k/4TJExs
-rVQVfFrNNCgJVLDrH524YfFJR1yqz1DSD87ng2A0VZrHIQKMPOKPYVHUZ5+mF7Zm
-SvE4J2eOwMdakTBSBydVgf8JXR7sXKM4t+pO5vpc+lRxqm8n1idnlwjiK1+dHjb9
-BgXNWf6W5/hp51J2vWWZEyTj2iFiEkmrFQLrQc8kD9lf3SRvkCSXp15cG+ZwFyNs
-55/BM5TgDv9ItUGHXUKINDcQSNL8LJS2Q3plNLzIg1x1jkycN7YtdIfPwHaKB0Ru
-GACpnGRxUAUqDA5NHWTWA1FXXXr1FvEE22sjLu9klMy3dwIDAQABoGYwZAYJKoZI
-hvcNAQkOMVcwVTALBgNVHQ8EBAMCBPAwJwYDVR0lBCAwHgYIKwYBBQUHAwEGCCsG
-AQUFBwMCBggrBgEFBQcDBDAdBgNVHREEFjAUghJwcmludGVyLnRyb25lbC5vcmcw
-DQYJKoZIhvcNAQELBQADggEBAHEDemzBPk3YBoDekGXXwnINBBbqjvnha+wF7bQZ
-t9IoJJpVWo9M8hAtheZ0wTHDsbmesSms4R3DYQQmaCVk+NoK0AZb79LwLW3O8IF0
-C47bIPevN0V/A7UIVM36MrzhGz55tj7133zXxeyXQG0oiVy1bIAlfUwAZeY/4ihI
-FAHnuCDE+BfQsd8R4iZP6mUC9qBlTztmfbKwPkpwcHNMbUCqosFx1vSY5/BKQuyt
-QJ72ZBVtlB2Se2G0FE0qzqLP1FoGp8f3hwEayJsakbvRq+NfV7NhcmfgFegybU4H
-+eLeaLVEzAYnvxeKVUP8ievbif/Spzo6R9msUq2lCbf59GU=
------END CERTIFICATE REQUEST-----
diff --git a/refresh-certificate.py b/refresh-certificate.py
index c6265ab..ab9da6a 100755
--- a/refresh-certificate.py
+++ b/refresh-certificate.py
@@ -30,64 +30,6 @@ def getBearer(hostname, verify, username, password):
     
     baseUrl = 'https://%s' % hostname
     
-    try:
-        r = requests.get(baseUrl, verify=verify)
-    except Exception as e:
-        logger.error('Exception: %s' % e)
-        exit(-1)
-        
-    if r.status_code != 200:
-        logger.error('Imposible to retrieve base content')
-        exit(-1)
-    
-    content = StringIO(r.content.decode('utf8'))
-
-    logger.info('Retrieving main javascript path.')
-    p = re.compile('^.*src="(?P<main>main[^"]+)".*$')
-
-    found = False
-    nbLines = 0
-    for line in content.readlines():
-        nbLines+=1
-        m = p.match(line)
-        if m != None:
-            found = True
-            main = m.group('main')
-            break
-    
-    if not found:
-        logger.error('Impossible to retrieve main path.')
-        exit(-1)
-    
-    mainUrl = baseUrl+'/'+main
-    logger.debug('Main javascript is located at %s.' % mainUrl)
-   
-    r = requests.get(mainUrl, verify=verify)
-    if r.status_code != 200:
-        logger.error('Imposible to retrieve main javascript content.')
-        exit(-1)
-    
-    content = StringIO(r.content.decode('utf8'))
-  
-    logger.info('Retrieving agent id')
-    p = re.compile('^.*It\.DEVICE_ADMIN="(?P<agentid>[0-9a-f\-]+)".*$')
-
-    found = False
-    nbLines = 0
-    for line in content.readlines():
-        nbLines+=1
-        m = p.match(line)
-        if m != None:
-            found = True
-            agentId = m.group('agentid')
-            break
-    
-    if not found:
-        logger.error('Impossible to retrieve agent identifier.')
-        exit(-1)
-        
-    logger.debug('Agent identifier: %s' % agentId)
-
     logger.info('Retrieving redirection to login URL.')
 
     authUrl = baseUrl+'/cdm/oauth2/v1/authorize'
@@ -96,9 +38,14 @@ def getBearer(hostname, verify, username, password):
     nonce = createNonce()
     params = { 'response_type':'code', 'client_id':'com.hp.cdm.client.hpEws', 'state':nonce, 'redirect_uri':certificateManagementUrl, 'scope':'com.hp.cdm.auth.alias.deviceRole.deviceAdmin'}
    
-    r = requests.get(authUrl, params=params, allow_redirects=False, verify=verify)
+    try:
+        r = requests.get(authUrl, params=params, allow_redirects=False, verify=verify)
+    except Exception as e:
+        logger.error('Impossible to retrieve URL: %s. Error: %s' % (authUrl, e))
+        exit(-1)
+
     if r.status_code != 302:
-        logger.error('Impossible to retrieve redirection to login URL')
+        logger.error('Impossible to retrieve redirection to login URL. Status code: %d' % r.status_code)
         exit(-1)
 
     
@@ -115,7 +62,8 @@ def getBearer(hostname, verify, username, password):
     adminUrl = baseUrl+'/cdm/security/v1/deviceAdminConfig'
     
     authenticationUrl = baseUrl+'/cdm/security/v1/authenticate'
-    payload = { 'agentId':agentId, 'username':username, 'password':password, 'client_id':'com.hp.cdm.client.hpEws', 'scope':'com.hp.cdm.auth.alias.deviceRole.deviceAdmin', 'grant_type':'authorization_code' , 'state':nonce }
+    # Agent ID is useless
+    payload = { 'username':username, 'password':password, 'client_id':'com.hp.cdm.client.hpEws', 'scope':'com.hp.cdm.auth.alias.deviceRole.deviceAdmin', 'grant_type':'authorization_code' , 'state':nonce }
     
     logger.info('Authenticating to receive authentication code.')