IIS server error 500
2 Error Cause: 500 error is generally caused by an error in the source program.
3. Solution: 1. First, set Internet Explorer & agrave; Tools> Internet Options.
2. If you refresh or re-open the 500 error page, the error program will appear.
3. Solve the problem according to the error message.
4 Possible solutions to ADODB. Connection creation failure:
1. Reinstall MDAC2.8.
MDAC 2.8 download address:
Http://www.microsoft.com/downloads/details.asptutorial X? Displaylang = zh-cn & FamilyID = 6c050fe3-c795-4b7d-b037-185d0506108c
2. Enter regsvr32 "C: Program FilesCommon FilesSystemadomsado15.dll" in the start operation ". If you cannot enter regsvr32 scrrun. dll, refresh the page. You cannot enter regsvr32 msxml3.dll.
3. Reinstall MDAC_TYP.EXE. I have also performed this operation, so I recorded it.
Http://download.microsoft.com/download/8/ B /6/8b6198c0-fe96-4811-9d81-d5c76dd5fea8/MDAC_TYP.EXE
The steps 1, 2, and 3 in no particular order above can solve the problem after the operation.
PS: Generally, the second step is used first to register these DLL. If the test is OK, no other steps are required.