Here's an example of an unsuccessful SMB Session Setup request in a network trace: MessageNumber DiagnosisTypes Timestamp Source Destination Module Summaryġ12 None DateTime Client Server SMB2 Negotiate, Status: Success, 2780879Guid:, DialectRevision: SMB 2. Specify IP address for the new network interface. However, if you examine the network trace when the SMB Session Setup is unsuccessful, the session fails with a Kerberos KRB_AP_ERR_MODIFIED error. Add Microsoft Loopback Adapter as a network device (as suggested by one of the comment). If you use Network Monitor, Wire Shark, or Microsoft Message Analyzer to examine the network trace when the SMB Session Setup is successful, the session goes to the TREE Connect. Logon Failure: The target account name is incorrect. Contact the administrator of this server to find out if you have access permissions. An 8.3 filename (also called a short filename or SFN) is a filename convention used by old versions of DOS and versions of Microsoft Windows prior to Windows 95 and Windows NT 3.5.It is also used in modern Microsoft operating systems as an alternate filename to the long filename for compatibility with legacy programs. You might not have permission to use this network resource. In this case, you receive an error message that resembles the following one: Declare Function apiGetVersionEx Lib kernel32 Alias GetVersionExA. In this case, you experience the following behaviors:Īccess from a Windows Server 2008 R2 or Windows 7 client is successful.Īccess from a Windows Server 2012 R2, Windows 8.1, or a later version of Windows client is unsuccessful. Windows provides us with the GetVersionEx API function to allow us to retrieve. For example, you try to connect to a share on the file server by using its DNS CNAME alias: NET USE * \\CNAME\share_name When an application or user uses the CNAME alias for files or other resources on the server that's using SMB, and you try to connect to a share on the file server with its DNS CNAME alias. When an application or user uses the actual storage name (the NetBIOS name or the FQDN) for files or other resources on the server that's using SMB, access is successful. You have a client that's running Windows 7, Windows Server 2008 R2, or a later version of Windows.The server has files and resources that are configured by using their NetBIOS name, the DNS fully qualified domain name (FQDN), and their alias (CNAME). You're running an SMB file server, such as Windows Server.This article provides solutions for the issue that DNS CNAME alias can't access SMB file servers.Īpplies to: Windows 10 - all editions, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows 7 Service Pack 1 Original KB number: 3181029 Symptoms
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