• Critical vulnerability in Log4j

    The latest update to this post is available here!

    On Friday 09.12.21 a critical vulnerability (Log4Shell) in the widely used Java library Log4j has been identified. According to the assessment of many authorities, this leads to an extremely critical threat situation, which is why, among others, the Federal Office for Information Security (BSI) in Germany has upgraded its existing cyber security warning to warning level red (see Common Vulnerabilities and Exposures and BSI).…

    Read more

  • PTV xServer Version 2 – OS requirement update for Linux hosts

    We are now working on the upcoming xServer Version 2.23.
    These version is the first containing compiler updates for Windows and Linux.

    On windows Systems, there are no updated requirements, since the xServer2 compiled with VC16 is backwards compatible.…

    Read more

  • PTV xServer API version 1 – Technical Note

    We would like to inform you that a problem of the MS Windows Server operating system in interaction with PTV xServer API version 1 was discovered.

    Your PTV xServer installation is affected by this problem if the following points apply to it:

    • PTV xServer API version 1
    • Operating system Windows Server 2016, or Windows Server 2019 with current security patch
    • PTV xTour or PTV xDima with calls that clear the distance matrix before or after usage
    • Storage of distance matrices in a SMB / CIFS directory

    Within this group, installations using either local Windows versions (Windows Server 2019) or Azure Windows versions 5 (Windows Server 2016) and version 6 (Windows Server 2019) with current patch are affected.…

    Read more

  • Webinar – PTV xServer internet for cloud developers – last minute registration

    A Technical introduction into PTV xServer internet for cloud developers.


    “Which info would have prevented me from a lot of painful experiences and do-it-again‘s?“ Registration required before July 28th, free of cost

    – What do we offer from a technical perspective?

    Read more

  • JAVA – “wind of change” wasn’t just an early 90’s thing

    From the beginning of time PTV included Oracle JAVA Runtime Environment (JRE) in xServer. Oracle now changed its license policies and any updates for commercial use are only available with a paid subscription.
    This marks a severe change for PTV especially in the xServer context.…

    Read more

  • Network maintenance

    Dear Customer, Dear Partner,

    we would like to inform you that we will perform a maintenance on the network environment. Beginning on Friday, May 12th until Sunday, May 14th. During this period the following systems/services may be temporarily unavailable.…

    Read more