Detect if Exchange MAPI is installed -


Since Exchange 2007, MAPI is no longer installed when the exchange is set up. If you want to use MAPI, then these systems are necessary in addition to the exchange.

My software depends on the MAPI, so I have to find out if its installation is established. How can I test reliably when MAPI is installed on the local machine? The first prize will be if I can also know that its exchange is MAPI or Outlook MAPI and if it is 32 bit or new 64 bit.

Check that the HKEY_LOCAL_MACHINE \ Software \ Clients \ Mail \ ExchangeMAPI key is present and read the DllPathEx string value. Exchange (standalone) version for MAPI is always 32 bit. 64 bit version MAPI is installed only if Outlook 2010 is 64 bit installed.


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