#2593·mailinabox

Problems with upgrade to V76 from V75

Author: cybergeekdkCreated Jun 30, 2026Updated Jul 22, 2026

When i try to upgrade my mail in a box i get this error. Updating system packages... Installing system packages... Initializing system random number generator... Firewall is active and enabled on system startup Synchronizing state of fail2ban.service with SysV service script with /lib/systemd/systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable fail2ban Installing nsd (DNS server)... Installing Postfix (SMTP server)... Installing Dovecot (IMAP server)... Installing OpenDKIM/OpenDMARC... Installing SpamAssassin... Installing Nginx (web server)... Installing Roundcube (webmail)... Installing Nextcloud (contacts/calendar)... Nextcloud is already latest version Error: stepping, UNIQUE constraint failed: oc_users_external.uid, oc_users_external.backend (19) Installing Z-Push (Exchange/ActiveSync server)... Installing Mail-in-a-Box system management daemon...

FAILED: apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confnew install duplicity python3-pip virtualenv certbot rsync

Reading package lists... Building dependency tree... Reading state information... certbot is already the newest version (1.21.0-1build1). virtualenv is already the newest version (20.13.0+ds-2). rsync is already the newest version (3.2.7-0ubuntu0.22.04.7). python3-pip is already the newest version (22.0.2+dfsg-1ubuntu0.7). Suggested packages: ncftp python3-boto3 python3-kerberos The following held packages will be changed: duplicity The following packages will be upgraded: duplicity 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. E: Held packages were changed and -y was used without --allow-change-held-packages.

What i doing wrong?

Source: mail-in-a-box/mailinabox