Professional Communication
Software Development Tools

OPC Foundation member and certified logos

Online Forums

Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions or issues. You do not have to own a commercial license in order to use the OPC Labs supportOur team is actively monitoring the forums, and provides replies as soon as possible.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible.

Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

License stopped working

More
02 Jan 2026 11:56 #14530 by support

Please Log in or Create an account to join the conversation.

More
02 Jan 2026 11:43 #14529 by M.Khalil
I have a license for version 5.30 it stopped when I upgraded to version 5.83, please help

    [0]: {[Multipurpose.AllPurposeStations, 1]}
    [1]: {[Multipurpose.CallerRestrictions, {string[0]}]}
    [2]: {[Multipurpose.ComponentName, QuickOPC]}
    [3]: {[Multipurpose.DegradeDate, {23/12/2026 00:00:00}]}
    [4]: {[Multipurpose.ExtraRuntimeStations, 0]}
    [5]: {[Multipurpose.Hidden, 1]}
    [6]: {[Multipurpose.ID, Multipurpose]}
    [7]: {[Multipurpose.IsEvaluation, 1]}
    [8]: {[Multipurpose.IssuerName, OPC Labs]}
    [9]: {[Multipurpose.NotAfter, {01/01/1601 00:00:00}]}
    [10]: {[Multipurpose.NotBefore, {01/01/1601 00:00:00}]}
    [11]: {[Multipurpose.OptionRestrictions, {string[0]}]}
    [12]: {[Multipurpose.PlatformRestrictions, {string[0]}]}
    [13]: {[Multipurpose.ReleaseDateCovered, {01/01/1601 00:00:00}]}
    [14]: {[Multipurpose.RunOnServer, 1]}
    [15]: {[Multipurpose.RunTimeLimit, {00:30:00}]}
    [16]: {[Multipurpose.SerialNumber, 1111111120]}
    [17]: {[Multipurpose.SubjectName, *]}
    [18]: {[Multipurpose.Type, Trial License]}
    [19]: {[Multipurpose.VersionNumberCovered, 583]}
    [20]: {[Multipurpose(Dropped1).AllPurposeStations, 4294967295]}
    [21]: {[Multipurpose(Dropped1).CallerRestrictions, {string[0]}]}
    [22]: {[Multipurpose(Dropped1).ClientLRUSizeLimit, 2147483647]}
    [23]: {[Multipurpose(Dropped1).ExtraRuntimeStations, 0]}
    [24]: {[Multipurpose(Dropped1).Hidden, 0]}
    [25]: {[Multipurpose(Dropped1).ID, Multipurpose]}
    [26]: {[Multipurpose(Dropped1).IssuerName, OPC Labs]}
    [27]: {[Multipurpose(Dropped1).NotAfter, {01/01/1601 00:00:00}]}
    [28]: {[Multipurpose(Dropped1).NotBefore, {01/01/1601 00:00:00}]}
    [29]: {[Multipurpose(Dropped1).OptionRestrictions, {string[2]}]}
    [30]: {[Multipurpose(Dropped1).PlatformRestrictions, {string[0]}]}
    [31]: {[Multipurpose(Dropped1).ReleaseDateCovered, {12/11/2025 00:00:00}]}
    [32]: {[Multipurpose(Dropped1).RunOnServer, 1]}
    [33]: {[Multipurpose(Dropped1).RunTimeLimit, {-00:00:00.0010000}]}
    [34]: {[Multipurpose(Dropped1).SerialNumber, 1999452737]}
    [35]: {[Multipurpose(Dropped1).SubjectName, V********** I********* Nederland BV]}
    [36]: {[Multipurpose(Dropped1).TopicLRUSizeLimit, 2147483647]}
    [37]: {[Multipurpose(Dropped1).Type, Ultimate; Site License]}
    [38]: {[Multipurpose(Dropped1).VersionNumberCovered, 530]}

Please Log in or Create an account to join the conversation.

Moderators: supportvaclav.zaloudek
Time to create page: 0.128 seconds