Cant Upgrade to 5.0-1 due to Office365 Connector remnants

I am struggling to get UCS to update to 5.0-1 as there are remnants of the office365 connectior still present that prevent 5.0-0 from being installed.

I get the following error in the error log:

02.01.22 18:43:27.240 DEBUG_INIT
**** Starting univention-updater with parameter=[’/usr/share/univention-updater/univention-updater’, ‘net’, ‘–updateto’, ‘5.0-1’, ‘–ignoressh’, ‘–ignoreterm’]
Version=4.4
Patchlevel=8
starting net mode
—>DBG:update_available(mode=net, cdrom_mount_point=/media/cdrom, iso=None)
Checking network repository
Update to = 5.0-0
**** Downloading scripts at Sun Jan 2 18:43:28 2022
**** Starting actual update at Sun Jan 2 18:43:29 2022

Starting /tmp/tmpAKhsvM/preuphe9WLW.sh (Sun 2 Jan 18:43:29 GMT 2022):

HINT:
Please check the release notes carefully BEFORE updating to UCS 5.0-0:
English version: UCS 5.0 Release Notes
German version: UCS 5.0 Release Notes

Please also consider documents of following release updates and
3rd party components.

Custom preupdate script /var/lib/local-preup.sh not found
Do you want to continue [Y/n]?
Checking adc_mapping … OK
Checking adc_multiinstance_mapping … OK
Checking architecture … OK
Checking blocking_apps … Unable to cache apps
Unable to cache apps
OK
Checking default_master_packages … OK
Checking disk_space … OK
Checking failed_ldif … OK
Checking for_postgresql94 … OK
Checking hold_packages … OK
Checking kernel … OK
Checking kolab_schema … OK
Checking ldap_connection … OK
Checking ldap_schema … OK
Checking legacy_objects … OK
Checking master_version … OK
Checking md5_signature_is_used … OK
Checking min_version … OK
Checking minimum_ucs_version_of_all_systems_in_domain … FAIL
Checking old_packages … OK
Checking overwritten_umc_templates … OK
Checking ox_schema … OK
Checking package_status … OK
Checking python_ucr_template_compatibility … OK
Checking python_ucsschool_hooks_compatibility … OK
Checking role_package_removed … OK
Checking samba_server_schannel … OK
Checking samba_tdb_size … OK
Checking slapd_on_member … OK
Checking ssh … OK
Checking system_date_too_old … OK
Checking system_role … OK
Checking term … OK
Checking tls_public_key_size … OK
Checking tls_public_key_size_ucs-sso … OK
Checking ucsschool_computerroom_compatibility … OK
Checking usr_mountpoint … OK
Checking valid_machine_credentials … OK

The system can not be updated to UCS 5.0 due to the following reasons:

minimum_ucs_version_of_all_systems_in_domain:
The following extensions are incompatible with UCS 5.0:
cn=univentionOffice365ProfileSyntax,cn=udm_syntax,cn=univention,dc=eatm,dc=lan: [unspecified…unspecified)
cn=settings/office365profile,cn=udm_module,cn=univention,dc=eatm,dc=lan: [unspecified…unspecified)

Error: Update aborted by pre-update script of release 5.0-0

Please could anyone help with this.

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