I have a versioned SDE geodatabase and and running a series of Appends between feature classes and a stand-alone file geodatabase with a schema that mirrors the input gdb.

I have, for example, an SDE feature class that contains 13k records. When I append the layer to an empty feature class in the file gdb only about 11k records copy over. I have recalculated the spatial extents on both. I even set the environment tool in Append to be the input of both datasets. It simply won't work and won't copy over the same specific records. I don't have any subsets of the data pre-selected, fyi.

Can anyone suggest why append is failing to copy over the entire contents of the input layer?

  • 2
    I would join the 11k data to the 13k to see what did not get transfered. Maybe you can detect a pattern or reason for the failures.
    – klewis
    Commented May 2, 2019 at 19:58
  • I know which records aren't getting transferred. there is no pattern. There's nothing obvious going on.
    – MattS
    Commented May 3, 2019 at 13:28

1 Answer 1


I'm concluding the issue is related to a bug in Arc 10.6.1. I can't reproduce the problem in 10.5+

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