Topic	Replies	Views	Activity
Problem: No VGA or iRMC Console Output After Installing UCS 5.2.3 on Fujitsu TX1330 Community grub , console , boot , problem , ucs-5-2	1	35	January 22, 2026
Problem: Error updateing grub-pc during univention-upgrade (wrong grub boot device) Supported grub , grub2 , problem , univention-upgrade	0	212	December 4, 2024
How-to: GRUB - Install Grub on several disks! Community ucs-4 , grub , howto , storage , ucs-5	1	753	March 11, 2024
Analyze boot problems Supported ucs-4 , grub , console , installation , serial	0	2611	August 1, 2017
Howto: Re-Write the Boot Sector on your Harddisk Community ucs-4 , grub , bootsplash , boot , bootmanager , howto	0	659	November 15, 2019
Problem: Booting server shows 'invalid signature you need to load the kernel first' Community ucs-4 , grub , boot , vmlinuz	1	6370	November 11, 2019
Stuck at boot menu UCS - Univention Corporate Server grub , grub2 , boot , bootmanager	5	1024	January 3, 2019
Force grub-efi installation to the removable media path UCS - Univention Corporate Server grub , uefi , debian , boot	0	9539	January 28, 2018
[Solved] Boot-Flag kann auf 4TB Platte nicht gesetzt werden UCS - Univention Corporate Server grub , boot	3	975	December 21, 2017
Grub-probe is disabled (system is running in docker configuration) UCS - Univention Corporate Server grub , docker	1	1021	October 17, 2017
Booting from the wrong device, GRUB displays "symbol grub_term_highlight_color not found" Supported ucs-4 , grub , grub2 , boot	0	3285	February 18, 2016
Grub-bios-setup: warning: your core.img is unusually large Supported ucs-3 , windows , grub , grub2 , servicesforwindows	0	4667	September 3, 2014
GRUB Error: "Disk filter writes are not supported in boot" Supported ucs-4-1 , grub , grub2	0	2744	February 16, 2016
Update of UCS 3.2 UEFI systems to UCS 4.0 Supported ucs-4 , grub , uefi , kernel , grub2 , boot , signed	0	1017	April 6, 2016
Boot UCS system via Super GRUB2 Disk Supported ucs-3 , ucs-4 , grub , grub2 , boot , super-grub-disk	0	2322	February 18, 2016
How to configure grub serial access (serial console) Supported ucs-4 , grub , console , serial , boot , ipmi	0	3797	January 20, 2017
Disable console blanking Supported ucs-4 , grub , console , installation , black , blanking , grub2 , screen	0	1138	August 11, 2017
New UCS 4.2 install fails at GRUB UCS - Univention Corporate Server grub , ucs-4-2	13	2920	August 3, 2017
Can't boot into 4.9 after upgrade from 4.1 to 4.2 UCS - Univention Corporate Server grub , kernel	1	1066	June 20, 2017
Can't boot into 4.9 after vm migration UCS - Univention Corporate Server grub , kernel , bootsplash	2	1070	June 13, 2017

grub