>>How do I register MAPI? I can run a MAPI Session from my computer but when I try to run it from someone elses I get "Invalid Class String" - Error #1426. It occurs when I am creating the object MAPI Session.
>>
>>Thanks.
>>
>>Trish
>
>If it is only a matter of the dll not being registered, then you can register it using regsvr32 (type it in the run box to see usage). This however sounds to me more like a MAPI version problem.

What do you mean a version problem? Is there more than one?