该文件常见出现的位置

版本	位置
10.50.1600.1((KJ_RTM).100402-1	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2494088\GDR\1033_enu_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.2500.0((KJ_PCU_Main).110	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2528583\ServicePack\2052_chs_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.1600.1((KJ_RTM).100402-1	\2052_CHS_LP\ia64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\ia64
10.50.1600.1((KJ_RTM).100402-1	\2052_CHS_LP\x64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\x64
10.50.1600.1((KJ_RTM).100402-1	\2052_CHS_LP\x64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\x64
11.0.2100.60((SQL11_RTM).12021	\ProgramFiles\MicrosoftSQLServer\110\SetupBootstrap\UpdateCache\KB2716442\GDR\1033_enu_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\110\setup\qfdhsf2y\x64
10.50.1600.1((KJ_RTM).100402-1	\sql2008r2\2052_CHS_LP\ia64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\ia64
10.50.1600.1((KJ_RTM).100402-1	\sql2008r2\2052_CHS_LP\x64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\x64
10.50.4000.0((KJ_PCU_Main).120	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2630458\ServicePack\1033_enu_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.1600.1((KJ_RTM).100402-1	\sql2008R2_X86\2052_CHS_LP\x64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\x64
10.50.2500.0((KJ_PCU_Main).110	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2528583\ServicePack\1033_enu_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.2500.0((KJ_PCU_Main).110	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2528583\ServicePack\1028_cht_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.4000.0((KJ_PCU_Main).120	\ProgramFiles\MicrosoftSQLServer\100\SetupBootstrap\UpdateCache\KB2630458\ServicePack\2052_chs_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.1600.1((KJ_RTM).100402-1	\123\2052_chs_lp\x64\setup\sqlsupport_msi\pfiles\sqlservr\100\setup\fe72iemr\x64
10.50.1600.1((KJ_RTM).100402-1	\Software\cn_sql_server_2008_r2_enterprise_x86_x64_ia64_dvd_522233\2052_CHS_LP\ia64\Setup\sqlsupport_msi\PFiles\SqlServr\100\Setup\fe72iemr\ia64

一、如果您的系统提示“没有找到7dprewdl.dll”或者“缺少7dprewdl.dll”等类似错误信息，请把7dprewdl.dll下载到本机
二、直接拷贝该文件到系统目录里：
　 1、Windows NT/2000系统，则复制到C:\WINNT\System32目录下。
2、Windows XP/Vista/Win7/8系统，则复制到C:\Windows\System32目录下。
三、然后打开“开始-运行-输入regsvr32 7dprewdl.dll”，回车即可解决错误提示！