手动运行SQL Server和SQL Server Browser服务时都没有问题，但由于屏幕截图The Error中显示的错误，SQL Server代理无法启动。无法启动SQL Server代理服务
所以我检查SQLAGENT日志，发现这个
2017-05-13 10:19:19 - ? [100] Microsoft SQLServerAgent version 11.0.6248.0 (X64 unicode retail build) : Process ID 2380
2017-05-13 10:19:19 - ? [495] The SQL Server Agent startup service account is
2017-05-13 10:19:19 - ? [393] Waiting for SQL Server to recover database 'msdb'...
2017-05-13 10:19:19 - ! [298] SQLServer Error: 229, The EXECUTE permission was denied on the object 'sp_sqlagent_update_agent_xps', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (DisableAgentXPs)
2017-05-13 10:19:19 - ! [000] The EXECUTE permission was denied on the object 'sp_sqlagent_update_agent_xps', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (Error 229)
2017-05-13 10:19:19 - ! [298] SQLServer Error: 229, The EXECUTE permission was denied on the object 'sp_sqlagent_update_agent_xps', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (DisableAgentXPs)
2017-05-13 10:19:19 - ! [000] The EXECUTE permission was denied on the object 'sp_sqlagent_update_agent_xps', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (Error 229)
2017-05-13 10:19:19 - ? [098] SQLServerAgent terminated (normally)
这是因为服务器代理不具有系统管理员权限的东西？