Hopefully you have the keys.
https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/migrate-rds-cals
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
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Hi!
I bought RDS Client Cals for Windows Server 2019 from a retail seller. I successfully installed it, but for some other reason i had to reinstall the whole server. Before that i deactivated the server, but I cannot install the RDS license again. The wizard said that : already activated. Is there any solution so I can reistall our CALs? Unfortunatelly, the old server has been formatted, so I can't log in it again.
Thank you for your help!
Hopefully you have the keys.
https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/migrate-rds-cals
--please don't forget to upvote
and Accept as answer
if the reply is helpful--