diff --git a/doc/forum/Version_5_repo_with_git-annex_client_8.20211123___63__/comment_1_780fb88d5cfcde6e8a8b6f025be6a043._comment b/doc/forum/Version_5_repo_with_git-annex_client_8.20211123___63__/comment_1_780fb88d5cfcde6e8a8b6f025be6a043._comment
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+[[!comment format=mdwn
+ username="joey"
+ subject="""comment 1"""
+ date="2022-02-18T16:11:54Z"
+ content="""
+In version 8.20211028, git-annex dropped support for interoperating with
+remotes that have git-annex version 6.20180312 or older installed.
+
+You will need to upgrade git-annex on your server.
+(Or downgrade your client to a release slightly older than 8.20211028.)
+"""]]