Work with non-domain enviroment?

May 13, 2015 at 7:39 AM
I got this error message when changing password on a non-domain SharePoint 2013 server, how can I fix it? thanks.

The server could not be contacted.
System.DirectoryServices.AccountManagement.PrincipalServerDownException
System.DirectoryServices.Protocols.LdapException: The LDAP server is unavailable. at System.DirectoryServices.Protocols.LdapConnection.Connect() at System.DirectoryServices.Protocols.LdapConnection.SendRequestHelper(DirectoryRequest request, Int32& messageID) at System.DirectoryServices.Protocols.LdapConnection.SendRequest(DirectoryRequest request, TimeSpan requestTimeout) at System.DirectoryServices.AccountManagement.PrincipalContext.ReadServerConfig(String serverName, ServerProperties& properties)
Domain: sharepoint