Error regarding the license evaluation

Hi,

I have downloaded "DS500-BN-00022-r5p0-26rel2.zip" and installed in windows 10(64-bit) OS. Installation is successful, but when I try to get 30-day trial license file, license manager giving " after entering account details. I am  getting "Unable to execute API call /api/v1/connect" error. i am  able to login to arm community with same account.

Attachment contains the screen-shot of the error. Please let me know how to solve this error.

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