Troubleshooting CA ARCserve Central Host-Based VM Backup › Cannot Connect to Specified Server Messages Appear when Attempting to Add Nodes

Cannot Connect to Specified Server Messages Appear when Attempting to Add Nodes

Valid on Windows platforms.

Symptom:

The following message appears when you to try to add or connect to nodes from the Node screen.

Cannot connect to specified server.

Solution:

If the above message appears when you try to add nodes from the Node screen, the following corrective actions can help you solve the problem:

• Verify that the Windows Server service is running on the CA ARCserve Central Host-Based VM Backup server and the source virtual machine (node).
• Verify that a Windows Firewall exception is applied to the Windows File and Printer Sharing service on the CA ARCserve Central Host-Based VM Backup server and the source virtual machine (node).
• Verify that a Windows Firewall exception is applied to the Windows Netlogon service only if the node is not a member of a domain. Perform this task on the CA ARCserve Central Host-Based VM Backup server and the source virtual machine (node).
• Verify that the value applied to the Sharing and Security model for local account is Classic. To apply the Classic value, do the following:

  Note: Perform the following steps on the CA ARCserve Central Host-Based VM Backup server and the source virtual machine (node).

  1. Log in to the CA ARCserve Central Host-Based VM Backup server and open Control Panel.
  2. From the Control Panel, open Administrative Tools.
  3. Double-click Local Security Policy.

     The Local Security Policy window opens.

  4. From the Local Security Policy window, expand Local Policies and expand Security Options.

     The Security Policies appear.

  5. Right-click Network access: Sharing and security model for local accounts and click Properties on the pop-up menu.

     The Network access: Sharing and security model for local accounts properties dialog opens.

  6. Click Local Security Setting.

     From the drop-down list, select Classic - local users authenticate as themselves.

     Click OK.

• Verify that the value applied to the Local Policies for the LAN manager authentication level is set to send LM & NTLMv2 – use NTLMv2 session security if negotiated. To apply the value, do the following:
  1. Log in to the CA ARCserve Central Host-Based VM Backup server and open the command prompt.

     Execute the following command

     secpol.msc
     

     The Local Security Settings dialog opens.

  2. Select local policies and click security options.

     Search for Network security: LAN manager authentication level.

     Double-click the option.

     The Properties dialog opens

  3. Select the following option and click OK.

     send LM & NTLMv2 - use NTLMv2 session security if negotiated
     

  4. From the command prompt, execute the following command:

     gpupdate
     

  The value is applied.