On June 8, 2021, Microsoft released a security update that changed how the Windows operating system enforces DCOM security. This Windows update was made in response to a recently discovered vulnerability, detailed in CVE 2021 26414. As a result of this change, OPC communications relying on DCOM may stop working when the Windows changes start to be enforced in 2022.
On June 8, 2021, Microsoft released a security update that changed how the Windows operating system enforces DCOM security. This Windows update was made in response to a recently discovered vulnerability, detailed in CVE 2021 26414. As a result of this change, OPC communications relying on DCOM may stop working when the Windows changes start to be enforced in 2022.
More details can be found here**