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尽管 CUPS 正常工作，Windows 客户端通过 Samba 访问打印机时出现错误

tag-icon • tag-icon samba cups active-directory
尽管 CUPS 正常工作，Windows 客户端通过 Samba 访问打印机时出现错误

在 CentOS 6.4 (newdc) 上，我安装了 CUPS 1.4.2-50.el6_4.5，可以访问其 Web 界面。在那里，我设置了我们的主要共享打印机 OCE Imagistics cm2520，并成功打印了测试页。

当 SerNet Samba 4.0.9 在同一个盒子上配置了我能找到的所有示例方式时，我似乎无法达到在 Windows（W2K3、OLDDC）中双击打印机打开打印队列的程度（就像它所做的那样）来自 \olddc)。通过在 smb.conf 中手动定义打印机，我得到的最接近结果是它显示在 Windows 资源管理器中的 \newdc 中，但双击 BackOfficeCopier 打印机会出现此错误：

---------------------------
Printers
---------------------------
Operation could not be completed. Either the printer name was typed incorrectly, or the specified printer has lost its connection to the server.  For more information, click Help.
---------------------------
OK   Help
---------------------------

如果我双击“打印机”共享，我会得到：

---------------------------
\\newdc
---------------------------
\\newdc\printers is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions.

Incorrect function.

---------------------------
OK
---------------------------

这些都不会导致条目出现在 log.samba 中。但是，双击“打印机和传真”会显示一个仅包含“添加打印机”的文件夹，并在 log.samba 中生成以下日志条目：

[2013/08/23 09:18:39.921226,  0] ../source4/smb_server/smb/service.c:127(make_connection)
  make_connection: couldn't find service ::{2227A280-3AEA-1069-A2DE-08002B30309D}: NT_STATUS_OBJECT_NAME_NOT_FOUND
[2013/08/23 09:18:39.935896,  0] ../source4/rpc_server/spoolss/dcesrv_spoolss.c:1189(dcesrv_spoolss_RemoteFindFirstPrinterChangeNotifyEx)
  unable to call back to \\OLDDC
[2013/08/23 09:18:39.952321,  0] ../source4/rpc_server/spoolss/dcesrv_spoolss.c:1189(dcesrv_spoolss_RemoteFindFirstPrinterChangeNotifyEx)
  unable to call back to \\OLDDC

如果我随后尝试“添加打印机”并单击“下一步”，我唯一的选择是顶部打印机，并且没有列出端口。此时再次尝试“下一步”只会给出：

---------------------------
Add Printer Wizard
---------------------------
Operation could not be completed.
---------------------------
OK
---------------------------

关于第一个错误，CUPS 中的队列名称是 OCE，在 smb.conf 中我有以下内容：

[global]
        workgroup = MYDOMAIN
        realm = mydomain.lan
        netbios name = NEWDC
        server role = active directory domain controller
        server services = rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbind, ntp_signd, kcc, dnsupdate, smb, dns
        allow dns updates = true
        dns forwarder = 192.168.1.1
#        dns recursive queries = yes
        dcerpc endpoint servers = epmapper, wkssvc, rpcecho, samr, netlogon, lsarpc, spoolss, drsuapi, dssetup, unixinfo, browser, eventlog6, backupkey, dnsserver, winreg, srvsvc
#       dcerpc endpoint servers = winreg srvsvc
        load printers = yes
        printing = cups
printcap name = cups

[netlogon]
        path = /var/lib/samba/sysvol/mydomain.lan/scripts
        read only = No

[sysvol]
        path = /var/lib/samba/sysvol
        read only = No

[printers]
     comment = All Printers
     path = /var/spool/samba/
        guest ok = Yes
     browseable = Yes
     read only = No
     printable = Yes
        create mask = 0700

[print$]
     comment = Point and Print Printer Drivers
     path = /var/lib/samba/printing
     read only = No

[BackOfficeCopier]
     path = /var/spool/samba/
     browseable = yes
     printable = yes
     printer name = OCE

[mytest]
        path = /home/srv/samba-test-share
        read only = No

就 ACL 而言，第二个错误等：

$ sudo ls -l /var/spool/
...
drwxrwxrwt.  2 root   root   4096 Aug 15 18:10 samba

$ sudo ls -l /var/lib/samba/
...
drwxr-xr-x.  4 root root    4096 Aug 22 22:19 printing

在 chmodding 打印回 755 之前，我将所有内容从 \olddc\print$ 复制到 \newdc\print$。

我遵循了 HOWTO。 CUPS 正确设置了我的打印机。权限似乎是正确的。我缺少什么？

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