To fix this error, do the following:

1. On the Trend Micro Apex Central server, perform the following steps:
   1. Stop all Trend Micro Apex Central services, including IIS.
      • IIS Admin Service
      • Trend Micro Apex Central
      • Trend Micro Management Infrastructure
   2. Find the following registry key on 64bit OS:

      HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\TrendMicro\TVCS

      Change the value from OLD IP to NEW IP.

       

      It is recommended to use the hostname or FQDN of the Trend Micro Apex Central server to prevent issues that can happen if the IP changes.

       
   3. Navigate to C:\Program Files (x86)\Trend Micro\Control Manager\, and create a backup of the SystemConfiguration.xml file.
   4. Open the SystemConfiguration.xml file, search for "m_strWebServer_HostName", and change the value from OLD IP to NEW IP.
       

      It is recommended to used the hostname or FQDN of the Trend Micro Apex Central server to prevent issues that can happen if the IP changes.

       
   5. Start all Trend Micro Apex Central services, including IIS.
      • IIS Admin Service
      • Trend Micro Apex Central
      • Trend Micro Management Infrastructure
2. On the Trend Micro Apex One console, create a user account, "root", with administrative rights.
3. To verify, check if SSO function works. Re-deploy the policy and check it again.

Log Collection

1. Collect CDT Logs by following this KB article.
   • Trend Micro Apex Central Server CDT
   • Trend Micro Apex One Server CDT
2. Submit support ticket to Trend Micro Technical Support.