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@keysie
Created December 14, 2021 19:42
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Fix slow login after DSM upgrade to Version 7
After Synology DSM Upgrade from 6.2 to 7 Active Directory Login/Logon on Windows machines was very slow.
Domain joining was impossible.
Solution:
Open port 49152 (required by RPC as part of AD functionality)
see https://docs.microsoft.com/en-us/troubleshoot/windows-server/networking/service-overview-and-network-port-requirements#active-directory-local-security-authority
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