Message: A Kerberos Error Message was received: on logon session ROSENBERG.LOCAL\raadmin Client Time: Server Time: 21:11:51.0000 Z Error Code: 0x19 KDC_ERR_PREAUTH_REQUIRED Extended Error: Client Realm: Client Name: Server Realm: rosenberg Server Name: krbtgt/rosenberg Target Name: Error Text: File: e Line: a05 Error Data is in record data. InsertionStrings: ROSENBERG.LOCAL\raadmin 21:11:51.0000 Z 0x19 KDC_ERR_PREAUTH_REQUIRED rosenberg krbtgt/rosenberg e a05 SourceName: Microsoft-Windows-Security-Kerberos Message: A Kerberos Error Message was received: on logon session Client Time: Server Time: 21:11:51.0000 Z Error Code: 0x29 KRB_AP_ERR_MODIFIED Extended Error: Client Realm: Client Name: Server Realm: ROSENBERG.LOCAL Server Name: drutil02$ Target Name: Error Text: File: 3 Line: 576 Error Data is in record data. InsertionStrings: 21:11:51.0000 Z 0x29 KRB_AP_ERR_MODIFIED ROSENBERG.LOCAL drutil02$ 3 576 Make sure your AV is disabled when trying to repair WMI, we use trend and our server prevents WMIMGMT from being stopped so I always have to get the server guys. Error: Logon Failure: The target account name is incorrect It happens only sometimes, so I dont suspect the firewall. It may have been manually stopped, however, resulting in "RPC server unavailable" errors.Getting these errors when I use the connector to test.Ĭonnection: FAILURE. The The RPC server is unavailable means that the remote server is not reachable, so check the firewall configuration. By default in Windows, this service is configured to run automatically. Make sure the RPC service is running on the computer you're trying to scan.This does not require firewall reconfiguration. If you are unable to allow WMI traffic through your firewalls, scan your computers locally with the LsAgent or LsPush scanning agent instead.Setting up a fixed port is supported by all recent Windows operating systems starting from Windows Vista. Another solution is to make sure 'DHCP Client' and 'RPC Endpoint Mapper' 'Remote Procedure Call (RPC) Locator' 'Remote Procedure Call (RPC)' are all running and set to automatic. Configure a fixed WMI port and allow traffic through that port.For third-party firewalls, you'll need to consult your firewall documentation. Windows Firewall includes an exception that you can enable to allow WMI traffic, as explained in this knowledge base article. Configure your firewalls in such a way that *all* WMI traffic (over random ports) is allowed.By default, Windows sends WMI data over random ports. RPC errors are usually caused by an incorrect firewall setup on the client machine or the machine being offline, but can be caused by incorrect DCOM or other. Lansweeper pulls Windows computer data from WMI (Windows Management Instrumentation), a management infrastructure built into Windows operating systems. Opening port 135 is not sufficient to accomplish an agentless scan of a Windows computer.
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