HPCC-30581 Improve invalid remote usage error of legacy DFS #6431

Job	Run time
Check Skip	32s
Build Docker (ubuntu-22.10, pull_request)	1h 28m 28s
Build Bare Metal (ubuntu-20.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	3s
Build Docker (ubuntu-22.04, k8s, true, schedule)	1m 3s
Build Bare Metal (ubuntu-22.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	41m 36s
Build Docker (ubuntu-22.04, schedule)	1m 16s
Build Bare Metal (windows-2019, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	5s
Build Docker (ubuntu-20.04, schedule)	59s
Build Bare Metal (windows-2022, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	19m 44s
Build Docker (centos-8, schedule)	1m 10s
Build Docker (centos-7, pull_request)	1h 10m 45s
Build Bare Metal (macos-11, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	38s
Build Docker (amazonlinux, schedule)	1m 21s
Build Bare Metal (macos-12, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	19m 35s
Build Docker (centos-7, LN, true, schedule)	10s
	4h 7m 25s

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