Hi Group,
As you know today was the last day of the support of Sage Exchange Desktop(SED) 1.x. But we did not expect that SED v2.0.2.31 will have an issue.
It stop working today in the afternoon for one of our clients and they could not run any credit card transactions using the latest version of SED 2.0.2.31. SED was running but when we were trying to run CC transaction it was saying that SED is not started and it will run automatically. But the SED was installed properly and it was running on the server.
After numerous hours of research we were able to fix the issue. We found out that SED(2.0.2.31) still running the old version TLS(1.0) which is not supported by Sage Exchange platform as of June1/2018. We fount a Window Security Patch. After installing the patch it resolved the issue. Here is the info for the patch and the link as well.
If you get this issue install this patch and it will fix the problem.
The MS update is KB2898850
Information can be found here:
https://support.microsoft.com/en-us/help/2898850/description-of-the-security-update-for-the-net-framework-4-5-1-and-the
Download can be found here:
https://www.microsoft.com/en-us/download/details.aspx?id=42883