Comments (3)
mzillgith
commented on September 28, 2024
I have not yet figured out why the remote registry access doesn't work. But I refactored the code so that the connectDAServer call can now be called using the CLSID directly and added a method to get the CLSID by using the CLSIDFromProgID call of IOPCServerList. This way the remote registry service is not required and the OPC means are used instead of accessing the registry directly.
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dontsovcmc
commented on September 28, 2024
check this "quick" guide: https://www.kepware.com/en-us/support/resource-library/connectivity-guides/remote-opc-da-dcom
from opc-client-x64.
dontsovcmc
commented on September 28, 2024
See our solution: dontsovcmc@29090df#diff-fa9728931b02835223e8215008ea12f9R77
We call CoCreateInstanceEx with athn.dwAuthnLevel = RPC_C_AUTHN_LEVEL_NONE; if RPC_C_AUTHN_LEVEL_CONNECT error
from opc-client-x64.
Related Issues (13)
- not reading/writing items on 64 bit version HOT 12
- Error with Object member variable of type std::string passed to Connect function.
- REGDB_E_CLASSNOTREG for CoGetClassObject
- Problem writing string
- the OPCClientDemo.exe can't the server list HOT 1
- Multi-threading issue in COPCClient.cpp HOT 1
- Crash On Listing too many items HOT 2
- Listing/Connecting to Local OPC Server (Kepware) not working on 64-bit version HOT 3
- Confusion about license HOT 2
- Can't make x64 work HOT 1
- This project is no longer developed HOT 3
- memory leak when read string object
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