ERR 1101 DataSocket when trying to talk to OPC server on PC

[MikeUpdike]

I am using the DataSocket to communicate through OPC to some cameras.  I keep getting the error 1101.  Something about permissions not being set to read/write/create.  I set all of my persionsions in the DSSM to everyhost and stoped and restarted the server.  Still getting the same error.  Using 8.2.  I don't get the error on my PC (XP SP2) but everytime on my target computer (W2000).  I have used this method before and know it works but all other machines I've used it on were XP.  I know the URLs are correct and the OPC tags exist in the server.  Haven't got a clue as to what to try next.

[JLS]

Hello,

Sounds like your doing remote OPC -  it has plenty of permissions gotchas.  This sounds like it could just be a subtle difference between DCOM settings under Windows 2000 vs XP, given that it works under all your XP machines.  I found the following document regarding DCOM settings for Windows 2000:

DCOM (Distributed COM) for OPC

http://www.opcware.com/DCOM.html

Just to cover our bases, here's a general document for troubleshooting error 1101 in conjunction with datasocket:

Getting Error 1101 When Using DataSocket with LabVIEW

http://digital.ni.com/public.nsf/websearch/6941F7A4DBBC1B0886256CEE0082A3CB?OpenDocument

Other reading of potential interest:

Remote OPC Server on Windows 95/98/Me

http://zone.ni.com/devzone/cda/tut/p/id/3968

I hope this helps!

Best Regards,

JLS