Class does not support

**yousufkhan** · Mar 5th, 2005, 12:01 AM

I have done project in vb6, OS is 98SE using ADO 2.6 , on the client machine
setup is doing well but when i m running application it is giving error "Class does not support" what could b the reason whether ADO is not getting register properly or wht

and if i take msado15.tlb in project instead of msado15.dll then it gives error
active X cnt creat object

**RobDog888** · Mar 5th, 2005, 12:19 PM

Did you create a setup package and if so with what packager program?
Sounds ike your program was compiled with one version of mdac and the
workstation has a different version.

**yousufkhan** · Mar 6th, 2005, 11:10 PM

i have created a setup from Visual Studios Package & development wezard
then again i have created it fresh now at the time of set it is giving error registering msado15.dll, msado15.dll is not getting registered and i m geting error Active X cant creat object

**RobDog888** · Mar 7th, 2005, 12:50 AM

Are these errors during packaging or runing of your program and on your machine or another machine?

You may want to download the Component Checker utility from M$ that can tell you the version of MDAC on any system.

**yousufkhan** · Mar 7th, 2005, 01:43 AM

i have downloaded the mdac_typ 2.5 form the microsoft download center
and at the installation it is also showing error cant register ocx msado15.dll
than i tried to unregister it
as following regsvr32 /u msado.ll.dll agian error "failed to load library" how to unregister it

**dglienna** · Mar 7th, 2005, 01:36 PM

Must not be registered, then. Maybe it's not compatible with W98? Did you read up on it?

**RobDog888** · Mar 7th, 2005, 01:46 PM

Your unregistering correctly.

Code:

regsvr32 /u msado15.dll

Why are you installing 2.5? Is that what your development maching is running?
Did the target machine have it installed at all or just a different version?

**randem** · Mar 8th, 2005, 09:58 PM

yousufkhan,

Do you have administrator rights?

**yousufkhan** · Mar 8th, 2005, 10:56 PM

RogDob

How to check on the develoopment machine what version of MDAC is running?
but on the target machine when i m instaling MDAC_TYP 2.5 giving error
failed to register MSADO15.DLL

**randem** · Mar 8th, 2005, 11:11 PM

The reason for installing MDAC 2.5 is to get the JET 3.51 engines installed. That was the last MDAC that had JET engines. Multiple MDAC's can be installed on a machine. If you use the Automatic OS Updater it will install all the MDAC/DCOM/JET components that one needs for any Windows OS.

Multiple MDAC's can be active at the same time for some have different components than others. The latest MDAC will update all the components it uses to the latest version.

**RobDog888** · Mar 8th, 2005, 11:41 PM

Originally Posted by yousufkhan

RogDob

How to check on the develoopment machine what version of MDAC is running? ...

See post #4 for the download link for the component checker utility.

**yousufkhan** · Mar 9th, 2005, 01:20 AM

RogDog i have check the development machine by component checker it is showing MDAC 2.6 RTM and on the client machine it MDAC 2.5 SP3
again i have installed the project now it is showing error
"Class does not support Automation or does not support expected interface"

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