OPC90 Server
Click on “Edit Default” for the Access Permissions and add the following list of
users. Make sure “allow access” for both local and remote is enabled for all of
these users.
ANONYMOUS LOGON
Everyone
INTERACTIVE
NETWORK
NETWORK SERVICES *
Self *
SYSTEM
Distributed com users*
* These users are not supported on earlier Windows operating systems.
Changing the local security policy option might be required when the OPC client
PC and OPC90 PC are running different Windows operating systems (i.e. XP
and 2000) or using workgroup based PCs. Run Control Panel | Administrative
Tools | Local Security Policy and select “Security Options” as displayed by the
following.
Double click on “Network access: Sharing and security model for local accounts”
and set it to “Classic” as shown by the following dialog.
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