Workspace cleanup disabled but still cleaning workspace

Hi,

I have set WorkspaeCleanupThread to be disabled on start up but still noticed workspaces being deleted after I upgraded Jenkins.

Am I missing a setting somewhere or how can I find setting to stop this happening?

Thanks

James

Jenkins setup:

Jenkins: 2.516.2
OS: Linux - 5.15.0-116-generic
Java: 17.0.11 - Ubuntu (OpenJDK 64-Bit Server VM)
---
Office-365-Connector:5.2.0
ace-editor:1.1
active-directory:2.40
adoptopenjdk:146.v1898676a_f04e
analysis-core:1.95
android-emulator:664.ve25e686a_c00b_
ansicolor:1.0.6
ant:520.vd082ecfb_16a_9
antisamy-markup-formatter:173.v680e3a_b_69ff3
apache-httpcomponents-client-4-api:4.5.14-269.vfa_2321039a_83
apache-httpcomponents-client-5-api:5.5-170.v023de017ccd7
artifactory:4.0.8
asm-api:9.9-185.va_6c6b_3348b_c3
authentication-tokens:1.144.v5ff4a_5ec5c33
bootstrap5-api:5.3.8-890.v1c5cf4fa_178e
bouncycastle-api:2.30.1.82-277.v70ca_0b_877184
branch-api:2.1255.v2f5fe203584a_
build-blocker-plugin:166.vc82fc20b_a_ed6
build-cause-run-condition:0.1
build-pipeline-plugin:2.0.2
build-timeout:1.38
built-on-column:1.5
caffeine-api:3.2.2-178.v353b_8428ed56
changelog-history:1.7
checks-api:373.vfe7645102093
cloudbees-folder:6.1053.vd62fb_b_f7367b_
command-launcher:123.v37cfdc92ef67
commons-httpclient3-api:3.1-3
commons-lang3-api:3.19.0-104.v12125f33a_255
commons-text-api:1.14.0-194.v804a_dc3a_1b_d8
conditional-buildstep:1.5.0
config-file-provider:1002.v93e06b_792d44
copyartifact:770.va_6c69e063442
cppcheck:1.26
credentials:1447.v4cb_b_539b_5321
credentials-binding:702.vfe613e537e88
dependency-check-jenkins-plugin:5.6.1
depgraph-view:1.0.5
description-setter:264.v1957f215dcd5
display-url-api:2.217.va_6b_de84cc74b_
docker-commons:457.v0f62a_94f11a_3
docker-workflow:634.vedc7242b_eda_7
dtkit-api:3.0.3
durable-task:605.v9a_b_9040c9970
echarts-api:6.0.0-1146.v5c8f3b_8f0573
eddsa-api:0.3.0.1-19.vc432d923e5ee
email-ext:1933.v45cec755423f
emma:1.31
envinject:2.926.v69c9b_3896a_96
envinject-api:1.235.va_14c74f8f487
external-monitor-job:223.vb_fddcf42c9b_3
font-awesome-api:7.0.1-859.v128d3a_efb_6e5
git:5.8.0
git-client:6.4.0
git-server:137.ve0060b_432302
github:1.45.0
github-api:1.330-492.v3941a_032db_2a_
github-branch-source:1906.v21c5c13d25c6
github-organization-folder:1.6
gradle:2.16.1149.v711b_998b_0532
gson-api:2.13.2-173.va_a_092315913c
handlebars:3.0.8
htmlpublisher:427
icon-shim:3.0.0
instance-identity:203.v15e81a_1b_7a_38
ionicons-api:94.vcc3065403257
ivy:582.v35fb_da_0312f7
jackson2-api:2.20.0-420.v8a_08b_d57ca_05
jakarta-activation-api:2.1.3-2
jakarta-mail-api:2.1.3-3
jakarta-xml-bind-api:4.0.5-3.v3d5b_a_73965b_9
javadoc:354.vee1a_660b_4990
javax-activation-api:1.2.0-8
javax-mail-api:1.6.2-11
jaxb:2.3.9-133.vb_ec76a_73f706
jdk-tool:83.v417146707a_3d
jenkins-multijob-plugin:662.vd2e0001f6b_b_d
jersey2-api:2.47-165.ve7809a_3e87e0
jjwt-api:0.11.5-120.v0268cf544b_89
jobConfigHistory:1356.ve360da_6c523a_
joda-time-api:2.14.0-149.v1c3ce991d1b_9
jquery:1.12.4-3
jquery-detached:1.2.1
jquery-ui:1.0.2
jquery3-api:3.7.1-594.vb_3864f326cf0
jsch:0.2.16-95.v3eecb_55fa_b_78
json-api:20250517-173.v596efb_962a_31
json-path-api:2.9.0-190.veefca_05d5477
jsoup:1.21.2-66.v6ea_38164b_8a_2
junit:1369.v15da_00283f06
last-changes:456.vc484b_627e803
ldap:793.v754d6b_41b_ea_4
log-parser:2.5.0
mailer:522.va_995fa_cfb_8b_d
mapdb-api:1.0.9-44.va_1e1310c9118
matrix-auth:3.2.8
matrix-project:870.v9db_fcfc2f45b_
matrixtieparent:1.2
maven-plugin:3.27
mercurial:1323.ve69d2a_db_8a_b_d
metrics:4.2.37-489.vb_6db_69b_ce753
mina-sshd-api-common:2.16.0-167.va_269f38cc024
mina-sshd-api-core:2.16.0-167.va_269f38cc024
momentjs:1.1.1
monitoring:2.5.0
mstest:1.0.5
multiple-scms:0.8
nested-view:241.v178f0b_a_cd76a_
okhttp-api:4.12.0-195.vc02552c04ffd
oss-symbols-api:412.v719e66895255
outbound-webhook:0.3.0
pam-auth:1.12
parameterized-scheduler:285.ve611986d4c48
parameterized-trigger:873.v8b_e37dd8418f
performance:999.vb_358321cde96
pipeline-build-step:571.v08a_fffd4b_0ce
pipeline-github-lib:65.v203688e7727e
pipeline-graph-analysis:245.v88f03631a_b_21
pipeline-groovy-lib:776.vfee5327b_b_a_5b_
pipeline-input-step:534.v352f0a_e98918
pipeline-milestone-step:138.v78ca_76831a_43
pipeline-model-api:2.2273.v643f36ed9e94
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pipeline-stage-tags-metadata:2.2273.v643f36ed9e94
pipeline-stage-view:2.38
plain-credentials:199.v9f8e1f741799
plot:2.4.0
plugin-util-api:6.1167.v022176c7e0ca_
popper2-api:2.11.6-5
port-allocator:351.v7a_94cf6e4677
postbuildscript:3.4.1-695.vf6b_0b_8053979
prism-api:1.30.0-609.vf0a_df102d9a_f
repo:1.16.0
resource-disposer:0.25
run-condition:243.v3c3f94e46a_8b_
run-condition-extras:0.3
sbt:88.vee3829489c40
scm-api:712.v8846fdd68c88
script-security:1378.vf25626395f49
slack:795.v4b_9705b_e6d47
snakeyaml-api:2.3-125.v4d77857a_b_402
ssh-credentials:361.vb_f6760818e8c
ssh-slaves:2.973.v0fa_8c0dea_f9f
sshd:3.374.v19b_d59ce6610
structs:353.v261ea_40a_80fb_
subversion:1292.ve8cf25770ee3
support-core:1763.ve4ce0d10a_3f0
throttle-concurrents:2.18
timestamper:1.30
token-macro:477.vd4f0dc3cb_cf1
translation:1.16
trilead-api:2.209.v0e69b_c43c245
valgrind:0.28
variant:70.va_d9f17f859e0
view-job-filters:405.v9a_5fddc9230d
violations:0.7.11
windows-slaves:1.8.1
workflow-aggregator:608.v67378e9d3db_1
workflow-api:1384.vdc05a_48f535f
workflow-basic-steps:1098.v808b_fd7f8cf4
workflow-cps:4209.v83c4e257f1e9
workflow-cps-global-lib:615.vb_b_0664a_b_19f3
workflow-durable-task-step:1464.v2d3f5c68f84c
workflow-job:1559.va_a_533730b_ea_d
workflow-multibranch:821.vc3b_4ea_780798
workflow-scm-step:452.vdf1ca_c8d3a_87
workflow-step-api:710.v3e456cc85233
workflow-support:1004.veee3a_d67cdb_9
ws-cleanup:0.49
xunit:3.1.5
xvnc:1.28