diff --git a/inventory/prod.ini b/inventory/prod.ini
index 76cf72f..b7dfa3b 100644
--- a/inventory/prod.ini
+++ b/inventory/prod.ini
@@ -1,11 +1,11 @@
 [prod_be_acp_webservers]
-prod_be_acp ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_server_cert_validation=ignore
+prod_be_acp ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_transport=ntlm ansible_winrm_server_cert_validation=ignore
 
 [prod_be_portal_webservers]
-prod_be_portal ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_server_cert_validation=ignore
+prod_be_portal ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985  ansible_winrm_transport=ntlm ansible_winrm_server_cert_validation=ignore
 
 [prod_fe_acp_webservers]
-prod_fe_acp ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_server_cert_validation=ignore
+prod_fe_acp ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_transport=ntlm ansible_winrm_server_cert_validation=ignore
 
 [prod_be_portal_webservers]
-prod_fe_portal ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_server_cert_validation=ignore
+prod_fe_portal ansible_host=123.30.186.68 ansible_user=jenkins_cicd_ktdt ansible_password=Thienthien123@ ansible_connection=winrm ansible_port=5985 ansible_winrm_transport=ntlm ansible_winrm_server_cert_validation=ignore