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Errata and Issue Reporting

The OPC Foundation strives to maintain the highest quality standards for its published specifications, hence they undergo constant review and refinement. Readers are encouraged to report any issues and view any existing errata following the instructions on this page

Unified Architecture Specification Errata

Unified Architecture Specification Issue Reporting

COM and XML-DA Specification Errata, FAQ and Issue Reporting

Test Lab Release Candidate Specification Issue Reporting

Unified Architecture Specification Errata

No existing errata has been published for the current released versions of the UA Specifications.  When published, links to the errata will appear here. For clarifications and other useful information related to UA, see the UA (Unified Architecture) FAQ.

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Unified Architecture Issue Reporting

First be sure that the issue you have has not already been addressed in the errata or FAQ described in the previous section.

If you are not sure you found a valid issue, or just need help understanding the specification, please post a question to the UA (Unified Architecture) Forum.

If you know you have found an issue that needs correction, please report an issue via the OPC Bug Tracking System. Be sure to report it within the correct "project" identified by the specification Part.

Note: To post an issue or question, both the Forum and the Bug Tracking System require separate user accounts (independent of your OPC Website user account). Please use your full name as your login when you create an account. Spaces are allowed.

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Com and XML-DA Specification Errata, FAQ and Issue Reporting

For the following specifications the OPC Forum is used for errata, FAQ and issue reporting. Specific links are provided in the table:

AE (Alarms & Events)   FAQ Issue Reporting
DX (Data eXchange)   FAQ Issue Reporting
DA (Data Access) Errata FAQ Issue Reporting
HDA (Historical Data Access) Errata FAQ Issue Reporting
XML-DA (XML Data Access) Errata FAQ Issue Reporting

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Core Components, OPC .NET API and Sample Code Bug Reporting

First be sure that issue has not already been discussed by searching OPC Foundation Forum.

If the forum confirms that it is a bug that has not already been addressed then please report an issue via a the OPC Bug Tracking System.

Note: To post an issue or question, both the Forum and the Bug Tracking System require separate user accounts (independent of your OPC Website user account). Please use your full name as your login when you create an account. Spaces are allowed.

Test Lab Release Candidate Specification Issue Reporting

Issues for the Test Lab Release Candidate Specifications should be reported by sending an email to:

ComplianceComments AT opcfoundation.org  (replace the " AT " with "@" to make a legal email address)

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