The MMC prompts that the file sqlserverjavasisemanager. MSC cannot be opened.

"Start"-> "run"-> type the MMC command
The following window is displayed:
"File"-> "Add/delete Management Unit (M)" or press Ctrl + M to bring up the following window:
Click the "add" button below and select "Microsoft SQL Enterprise Manager ":
Click the Add button to close the window. The Enterprise Manager is displayed in the Add/delete Management Unit list, at the same time, click "OK" and Microsoft SQL Servers will appear on "console 1.
Finally, Select File> Save As to save the added console to C: \ Program Files \ Microsoft SQL Server \ 80 \ Tools \ Binn \ SQL Server Enterprise Manager. the MSC directory directly overwrites the existing SQL Server Enterprise Manager. MSC file.
Now you can start the Enterprise Manager.
Otherwise, register the DLL again.
Run: regsvr32 C: \ Windows \ system32 \ msxml3.dll