I has having exactly the same issue. Could connect Big Sur Beta (MBP) to Calatalina (iMac) but not the other way around. The post by kdubb- $ sudo /usr/libexec/configureLocalKDC worked perfectly for me. File Sharing now works like a dream in both directions.
fintanhealy
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I has having exactly the same issue. Could connect Big Sur Beta (MBP) to Calatalina (iMac) but not the other way around. The post by kdubb- $ sudo /usr/libexec/configureLocalKDC worked perfectly for me. File Sharing now works like a dream in both directions.