Dear all,

can you tell me, if the VSPD can change the DTR of an Virtual ComPort by itself (for example in the case of an error),
or does only the Remote Software change this flag?

Hello,

Thank you for the question. We'll gladly assist with this issue but please send us a detailed description of the issue at suuport@eltima.com

The current release version is 9 and it has much more to offer in terms of fixes and stability, see: https://www.eltima.com/wiki/user-guides/vspd/vspd-9-versions.html