Practice question 252 of 506 · medium
A QUIC server certificate was renewed and clients now fail to connect. DNS and UDP reachability are unchanged. What should be checked?
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- The server mapping uses the renewed certificate thumbprint
Renewal changes the certificate thumbprint, so mapping must reference the new valid certificate. Share ACLs do not select the tunnel certificate. RDMA belongs to SMB Direct, and Server 2025 Standard already supports QUIC.
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