您好，
请问您的WSUS和SCCM站点是安装在同一台服务器上面吗？
如果是的话，请您检查一下SCCM站点服务器上的WSUSctrl.log以及wsyncmgr.log.
如果不是的话，请在SCCM站点服务器上另外安装WSUS，然后进行同步
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