The thing holding DCOM back was that the protocol was closed source and unspecified. It’s very difficult to make Microsoft’s version of DCE RPC work with other

The thing holding DCOM back was that the protocol was closed source and unspecified. It’s very difficult to make Microsoft’s version of DCE RPC work with other implementations let alone their proprietary object extensions. If they had wanted interoperability, they could have implemented something more standards based as IBM did with SOM. But requiring Windows for all parts of distributed systems is very limiting.