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Chapter 8. Removed features
All removed features were deprecated in earlier releases and are no longer supported. For information regarding functionality that is present in RHEL 9 but has been removed in RHEL 10, see Considerations in adopting RHEL 10.
8.1. Installer and image creation
The cockpit-composer package is removed
The cockpit-composer package is removed and is no longer supported. From now on, use cockpit-image-builder.
Jira:RHELDOCS-20167[1]
gdisk is removed from boot.iso in RHEL 10
The gdisk partitioning utility is removed from the boot.iso image type in RHEL 10. You still can use gdisk in your Kickstarts. For the boot.iso image type, other tools are available for handling GPT disks, for example, the parted utility.
Jira:RHELDOCS-18904[1]
8.2. Networking
Network team driver was removed
The teamd service and the libteam library were removed in Red Hat Enterprise Linux 10. As a replacement, configure a bond instead of a network team.
Red Hat focuses its efforts on kernel-based bonding to avoid maintaining two features, bonds and teams, that have similar functions. The bonding code has a high customer adoption, is robust, and has an active community development. As a result, the bonding code receives enhancements and updates.
If you use RHEL 9 with a network team and plan to upgrade to RHEL 10, migrate the network team configuration to network bond before you upgrade.
Jira:RHELDOCS-20862[1]
8.3. Compilers and development tools
32-bit ARM and MIPS backends are removed from llvm 
The llvm package in RHEL 10.1 removed the 32-bit ARM and MIPS backends. This change reduces build time and maintenance effort for the toolchain. If you require these backends, you should use alternative build targets or earlier package versions.
8.4. Identity Management
The referral mode is removed from 389-ds-base
Before this update, Directory Server supported starting the server in the referral mode. However, because of the stability issues, this feature is no longer supported and was removed.
Note that you can continue using the nsslapd-referralmode and nsslapd-referral attributes. Directory Server still can return referrals when the requested distinguished name (DN) is not in any of the suffixes the server maintains.
nsslapd-subtree-rename-switch is removed from 389-ds-base
Before this update, you could configure Directory Server to prevent moving entries between sub-trees in a database. Because of the stability issues, this feature is removed. Consequently, the nsslapd-subtree-rename-switch parameter no longer exists.
As a result, you can no longer deactivate moving the entries between sub-trees. As an alternative, you can deactivate moving the entries by creating an access control instruction (ACI).
Jira:RHEL-77490[1]
8.5. Red Hat Enterprise Linux System Roles
The mssql_accept_microsoft_odbc_driver_17_for_sql_server_eula variable has been deprecated
With a future major update of RHEL, the mssql_accept_microsoft_odbc_driver_17_for_sql_server_eula variable will no longer be supported in the mssql system role because the role can now install the odbc driver for mssql_tools version 17 and 18. Therefore, you must use the mssql_accept_microsoft_odbc_driver_for_sql_server_eula variable without the version number instead.
Important: If you use the deprecated variable with the version number mssql_accept_microsoft_odbc_driver_17_for_sql_server_eula, the role notifies you to use the new variable mssql_accept_microsoft_odbc_driver_for_sql_server_eula. However, the deprecated variable continues to work.
8.6. Virtualization
Live VM dumps are no longer supported
With this update, the -- live option for the virsh dump command has become unsupported. If you attempt to create a virtual machine dump by using virsh dump with the --live option, the command will fail.
Jira:RHELDOCS-21349[1]
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