Before installing AnyDesk 3.5.1, you must install the following (these are the “hot” fixes):

UltraVNC 1.2.3.0 is often faster than AnyDesk on Win2k because it uses custom video drivers. Pair it with a SSH tunnel for security.

| Software | Last Win2k-Compatible Version | Hot Performance | File Transfer | Free | |----------|-------------------------------|----------------|---------------|------| | | v1.2.3.0 (2017) | Excellent | Yes | Yes | | TightVNC | v2.8.5 (2018) | Good | No | Yes | | Radmin | v3.5 (2014) | Excellent | Yes | Paid | | TeamViewer 6 | v6.0.9940 (2012) | Good | Yes | Freemium |

These were the lightest versions, sometimes hosted on sites like Kernel Extensions:

for all versions older than 5.0.0. Any version old enough to potentially run on Windows 2000 will likely encounter a "Disconnected from the AnyDesk network" error, preventing it from connecting to modern devices. 2. Finding Older Executables (At Your Own Risk)

: You must find an extremely old, 32-bit (x86) version from 2014 or 2015 (pre-version 2.0). These are not hosted on the official AnyDesk download page Check Extended Kernel Support

: On resource-limited or older single-core devices, AnyDesk is designed to automatically reduce image quality (e.g., switching to 16-bit color) to maintain stability. Important Considerations Security Risks