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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Serv-U Managed FTS & FTP Documentation > Serv-U File Server Administrator Guide > User accounts on the Serv-U server > Windows authentication

Windows authentication

Created by Anthony.Rinaldi_ret, last modified by Anthony.Rinaldi_ret on Jul 20, 2016

Views: 587 Votes: 0 Revisions: 3

By enabling Windows authentication, users can log in to Serv-U using their Windows login credentials as provided by the local Windows account database or a specific Windows domain server (Active Directory). When logging in using their Windows account, users are placed in the home directory for their Windows account eliminating the need to manually specify a home directory.

To enable Windows authentication, select Enable Windows authentication.


To authenticate to Active Directory or a Windows domain server, enter a specific domain name in this field and ensure your Serv-U computer is a member of that domain. If the system is a member of a Windows domain, the domain name can be entered in this field to have user logins authorized by the domain server. After changing this field, click Save to apply the changes.

Use a Windows user group home directory instead of the account home directory

By default, Serv-U uses the Windows account's home directory when a client logs in using a Windows user account. Enabling this option causes Serv-U to use the home directory specified in the Windows user group instead. If no home directory is specified at the group level, then the Windows user account's home directory is still used.

Windows user groups

Windows user accounts are not visible, and they cannot be configured on an individual basis in Serv-U. To aid in configuring the many advanced options of a local user account, all Windows user accounts are a member of a special Windows user group. Click Configure Windows User Group to configure this group just like a normal group.


All settings configured in this group are inherited by Windows user accounts. This feature can be used to add IP access rules, specify bandwidth limitations, or add additional directory access rules.

For more information, see User groups.

Windows user permissions

By default, Windows and Active Directory user accounts do not require any directory access rules to be configured because Serv-U automatically applies their NTFS permissions to their login sessions. This way, administrators do not need to configure specific permissions beyond those already defined on the network, saving time and documentation.

In some cases Windows may cache directory access rules for a short period of time. If an important NTFS permissions change is made that requires immediate application, restarting the Serv-U service can force Windows to provide the updated permissions to the Serv-U File Server.

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