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The Siemens installation may be damaged.

Siemens AG. "Communication via USB Adapter - ID: 109756182." Siemens Support. To help you further with SIMATIC S7DOS, let me know:

Reinstall the "SIMATIC NET" software or the main Step 7 application. S7DOS and Virtualization

Many engineers use virtual machines (VMs) to manage different versions of TIA Portal. S7DOS is essential here because it manages the pass-through of USB communication devices (like the PC Adapter USB) from the host machine to the VM [3].

Regularly install Siemens Service Packs (SPs) and Hotfixes. These often contain stability updates for S7DOS.

If you cannot select an interface, or if the selection does not stick, the S7DOS service might be hung.

Simatic S7dos !!install!! -

The Siemens installation may be damaged.

Siemens AG. "Communication via USB Adapter - ID: 109756182." Siemens Support. To help you further with SIMATIC S7DOS, let me know: simatic s7dos

Reinstall the "SIMATIC NET" software or the main Step 7 application. S7DOS and Virtualization The Siemens installation may be damaged

Many engineers use virtual machines (VMs) to manage different versions of TIA Portal. S7DOS is essential here because it manages the pass-through of USB communication devices (like the PC Adapter USB) from the host machine to the VM [3]. the S7DOS service might be hung.

Regularly install Siemens Service Packs (SPs) and Hotfixes. These often contain stability updates for S7DOS.

If you cannot select an interface, or if the selection does not stick, the S7DOS service might be hung.