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The server-side can potentially send the linked attribute before the target-object. This happens on Microsoft, and will happen on Samba once server-side GET_TGT support is added. In these cases there is a hole where the Samba client can silently drop the linked attribute. If the old copy of the target object was deleted/recycled, then the client can receive the new linked attribute before it realizes the target has now been reincarnated. It silently ignores the linked attribute, thinking its receiving out of date information, when really it's the client's copy of the target object that's out of date. In this case we want to retry with the GET_TGT flag set, which will force the updated version of the target object to be sent along with the linked attribute. This deleted/recycled target case is the main reason that Windows added the GET_TGT flag. If the server sends all the links at the end, instead of along with the source object, then this case can still be hit. If so, it will cause the server to restart the replication from the beginning again. This is probably preferential to silently dropping links. Signed-off-by: Tim Beale <timbeale@catalyst.net.nz> Reviewed-by: Garming Sam <garming@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12972