WMI Error Code: 0x800706ba Windows XP and Windows Vista

Last Modified

Wed Nov 30 21:38 GMT 2016

Description

The following error message is encountered:

205 The RPC server is unavailable. It could be caused by an improper DCOM setting or the device is not available. Namespace: root\cimv2 . UserName: . Error Code: 0x800706ba

In N-able N-central 6.5, it is shown as Failed rather then Misconfigured.

CAUTION: This document should be reviewed, approved, and implemented by a Microsoft Certified Professional.

Environment

N-able N-central 6.x and later

Solution

On the target device, complete the following steps:

  1. Select Start then click on Run.
  2. Type DCOMCNFG and click OK. Click No for any warning screens that appear unless it is the User Access Control (UAC) prompt.
  3. Double-click Component Services.
  4. Double-click Computers.
  5. Right-click on My Computer and select Properties.

The My Computer Properties dialog opens:

  1. Select the COM Security (Default Security) tab.
  2. In the Access Permissions section, click Edit Default.
  3. Make sure that both "Self" and "System" are listed in the dialog with Local and Remote Access.
    1. Add the Probe's user account, if applicable. To add a user, click "Add..." and type in the missing user names (including domain name) then click OK. You will need to set their permissions to both Local and Remote access.
    2. Click OK to return to the COM Security Tab.
  4. In the Launch Permissions section, click Edit Limits.
  5. Make sure that both "Anonymous Logon" and "Everyone" are listed in the dialog.
    1. Add the Probe's user account, if applicable. To add a user, click "Add..." and type in the missing user names (including domain name) then click OK. You will need to set their permissions to both Local and Remote access.
    2. Click OK to return to the COM Security Tab.
  6. Click the Default Properties tab.
  7. Change the Default impersonation level from Identify to Impersonate.
  8. Select the Default Protocols tab.
  9. Verify that "Connection-Oriented TCP/IP" is at the top of the list. Click on the Move up option if it isn't or click on Add and then Choose Connection-Oriented TCP/IP if it is missing.
  10. Remove any datagram protocols (UDP/IP, IPX, etc) with the permission of the customer.
  11. Click OK to exit the My Computer Properties window
  12. Select Start and click on Run
  13. Type WMIMGMT.MSC and press Enter
  14. Right-Click on WMI Control (Local) and select Properties
  15. Under the Security tab, expand the Root folder and select CIMV2. Click on the Security Button.
  16. Ensure that the Probe's and the Administrator's credentials are listed with Full access.
  17. Repeat for the SecurityCenter folder.
  18. Click OK and exit out of the wmimgmt.msc console.