在使用sqlserver2005创建作业时，创建不了，提示 无法将类型为“Microsoft.SqlServer.Management.Smo.SimpleObjectKey”的对象强制转换为类型“Microsoft.SqlServer.Management.Smo.Agent.JobObjectKey”。 (Microsoft.SqlServer.Smo) 通过安装SQLServer2005
在使用sqlserver2005创建作业时，创建不了，提示
无法将类型为“Microsoft.SqlServer.Management.Smo.SimpleObjectKey”的对象强制转换为类型“Microsoft.SqlServer.Management.Smo.Agent.JobObjectKey”。 (Microsoft.SqlServer.Smo)
通过安装SQLServer2005SP2-KB921896-x86-CHS.exe，解决我的问题。
在安装此SP2的过程中也遇到Integrated services和组件服务安装失败的问题，因为Distributed Transaction Coordinator本地无法启动，解决方法如下：
1、删除注册表中的键：
?HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSDTC
?HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC
?HKEY_CLASSES_ROOT\CID
2、停止MSDTC服务：net stop msdtc
3、卸载MSDTC服务：msdtc -uninstall
4、重新安装MSDTC服务：msdtc -install
5、重新启动电脑
我的系统是Windows Server 2003 企业版
关键字：-1073737712(0x3FFFEFF0) COM+损坏 8004e00f
错误消息：
---------------------------
服务
---------------------------
Windows 不能在 本地计算机 启动 Distributed Transaction Coordinator。有关更多信息，查阅系统事件日志。如果这是非 Microsoft 服务，请与服务厂商联系，并参考特定服务错误代码 -1073737712。
---------------------------
确定
---------------------------
解决办法：
把 C:\WINDOWS\system32\dtclog 这个目录重命名（如果有），然后重新建立该目录。
在命令行下： msdtc -resetlog
然后 msdtc 就可以启动了。
然后启动此服务，再次运行sp2的安装程序，此时之前安装失败的模块已经能够安装成功，然后重启电脑，解决了sql2005创建作业失败的问题。
微软官方网的一个下载sp2的链接，
http://www.microsoft.com/downloads/details.aspx?familyid=D07219B2-1E23-49C8-8F0C-63FA18F26D3A&displaylang=zh-cn
打开链接，就是： Microsoft SQL Server 2005 Service Pack 2
点击"下载以下文件"后,可以看到：
文件名： 文件大小
SQLServer2005SP2-KB921896-x64-CHS.exe
355.4 MB
下载
SQLServer2005SP2-KB921896-x86-CHS.exe
297.4 MB
下载
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