Hello @Gunaranjan Sundararajan
Since when did this issue occurred? Did you make any new configurations or updates?
Here's a thread explained about error 0x204 you might try first:
https://learn.microsoft.com/en-us/answers/questions/187583/rdp-works-pc-to-pc-but-i-get-error-code-0x204-mac.html
And this article for general troubleshoot :
How to Fix Remote Desktop Error Code 0x204 on Windows and MacOS?
Best Regards
Karlie
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