10.6.3 Update Breaking SMB Mounted Volume Write Access for Many



If you need to write to a mounted volume over SMB, you might want to hold off on updating to OS X 10.6.3 if you haven’t done so already: Apple support forum users are reporting major problems in multiple threads that SMB is borked.

Reader Eric Dube writes:

[T]here seems to be a systemic issue with the latest 10.6.3 update from Apple breaking write access to SMB shares for many users. The problem occurs when you try to copy a file with extended file attributes to the SMB share – files without extended attributes can be copied. I can honestly say the problem breaks connectivity to every one of my SMB shares that I’ve tried and need to access on a daily basis. So far there’s no word from Apple (numerous people including myself have reported the issue though) or any known workaround that works (other than copying the files from a terminal prompt instead of the finder.)…

At this point, I’m already considering backing out the update and going back to 10.6.2 since that works just fine. It appears to be a wide-spread problem, so it might be worth looking into to warn users about.

It certainly seems to be a wide-spread issue, although not one that affects me personally. Have any of you guys noticed this problem since updating to 10.6.3? Let us know in the comments, especially if you found a solution that has worked for you in getting around the issue.


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