Questions tagged [migration]

The process of moving one system or service from one location or model to another.

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1 answer
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mount: mounting /dev on /root/dev failed: No such file or directory after converting lxc to virtual machine

I've been trying to convert an lxc container to a virtual machine, but I've encountered a problem when trying to boot. I end up with the (initramfs) command line and I've got the following errors: ...
7 votes
5 answers
21k views

How can I migrate Dovecot from one server to another?

I have a Dovecot installation on a Fedora 12 "server" at home and I want to move all my mailboxes onto a virtual CentOS 5 server. How can I do this? Which files to I have to copy? Is it even enough ...
-1 votes
0 answers
75 views

Can't promote Windows 2025 server to domain controller

Hello Windows Server folks, I'm in the process of working on doing Madame Gazelle’s migration from Server 2019 to Server 2025 and am having trouble. I have a Server 2019 Essentials which is the only ...
0 votes
0 answers
96 views

Mailbox cannot be found after migration to Exchange Online

First I should describe our situation a little bit. We have 2 different domains. Let's call them contoso.com and contoso2.com. Previously we only had contoso.com but there was internal conflict and ...
3 votes
3 answers
976 views

Best way to migrate from MySQL to PostgreSQL

I have to migrate a MySQL database to PostgreSQL. I have tried the mysqldump with --compatible = postresql. I have seen that some poeple use ETL like Talend to make the migration but you must describe ...
5 votes
1 answer
8k views

Exchange 2003-Exchange 2010 post migration GAL/OAB problem

I am very new to Exchange so forgive my newbie-ness. I've exhausted Google trying to find a way to solve my problem so I'm hoping some of you gurus can shed some light on my next steps. Please forgive ...
0 votes
1 answer
37 views

Data migration between postgresql-9 and postgresql-11 [closed]

What is the best way to migrate postgres-9 database with size of hundreds GB to postgres-11 ? I'm afraid that third party tools will take too long to do this.
0 votes
1 answer
32 views

Migrating API and DB to a new server

Please bear with me as I am not well-versed in devops. I have a production server with a database, landing page, and API hosted at a domain - https://a.com and https://api.a.com I set up a clone of ...
0 votes
1 answer
5k views

Slow Mailbox Migration "within" Exchange 2016 databases on same server

We have recently migrated from exchange 2010 to 2016. Everything went smooth until one day we had to fail Veeam replication to DR site. One of the databases crashed and had to be restored from backup. ...
0 votes
0 answers
37 views

Error migrating server Openstack host different than nova server

A migration of an instance failed. Now in nova, the host is in host A while in virsh the running instance is in host B. How can I set in nova, because openstack is showing in error state.
0 votes
4 answers
3k views

2012 R2 Domain Controller migrate to 2022 STD

I know there are already topics of this nature on the board. I have a quick question on the 2012 R2 DC. My setup contains three 2012 R2 Domain Controllers. One Primary, and two backup DCs. I want to ...
0 votes
2 answers
2k views

Migrating a domain from a Microsoft 365 tenant with it's users to a another tenant

Company I work for has two domain names and they created two different tenant accounts for each domain. this makes it hard to collaborate. I need to migrate contoso.com from a tenant account to a the ...
0 votes
1 answer
142 views

Suggestions on the best way to migrate to a new server

I have an OLD server (Windows server 2012 R2) and a NEW server (Windows server 2022). Old server is a bare-metal Domain Controller Server and the New server is a VM. I am planning on migrating to the ...
0 votes
1 answer
159 views

How do I create a replacement root CA without migrating old certificates?

Expanding on my post here: How do I fix missing or multiple CA certificates causing chain issues? I believe the issue above is that there are missing root CA certs in the CA itself and group policy ...
0 votes
0 answers
47 views

Can't connect instance that is migrated to AWS

I am migrating Azure instance to AWS, I migrated it successfully but when using EC2 instance connect or doing SSH using key pair I am unable to login. How can I resolve this issue? Steps I Followed ...
0 votes
1 answer
328 views

docker throws 'cannot mount volume over existing file' when running an exported image

I am trying to get a set of containers/images (from https://github.com/OHDSI/Broadsea) on a machine without access to the internet, so compose will not work. I am following the steps in this answer ...
8 votes
1 answer
773 views

Change ZFS mountpoint property without remounting

I want to replace one ZFS filesystem (volume in a pool) with another ZFS filesystem (another volume in the same pool). Rebooting is okay, but I'd like to avoid single user mode. When I try to set ...
0 votes
0 answers
53 views

Migrating VPS Windows Server 2012 R2 system (settings, applications, ...) to Windows Server 2016

Need to upgrade Windows Server 2012 R2 host on VPS cloud provider to Windows Server 2016. I cannot do it in-place. The only way to upgrade is to backup the system somehow, reset the VPS with new ...
0 votes
0 answers
930 views

Error: A specified logon session does not exist. It may already have been terminated. (Exception from HRESULT:0x80070520)

As part of my job, I need to migrate an IIS server but I'm currently running into a problem. I have a source server where there are two sites/apps and my destination server which is "blank" ...
1 vote
1 answer
562 views

Changing name/ip of Domain Controller/DNS/DHCP Server after migrating from 2012 to 2019

We are prepping a migration of our AD server (DNS/DHCP/Print/Azure AD Connect) from 2012 to 2019. I can't find a definitive answer on changing a DC's ip/computer name post-migration. Prep: spun up ...
2 votes
1 answer
112 views

Azure NFS migration from on prem NFS

Context: We are working on a data migration project involving the synchronization of data between an on-premises NFS filesystem and an Azure NFS-based file share. The goal is to ensure a seamless ...
2 votes
0 answers
82 views

Docker Postfix Admin bulk aliases, custom maps, and custom config files

I'm in the process migrating my bare metal postfix implementation over to docker to essentially upgrade my old box to a more docker/vm-centric server and hopefully add virtual domain support. I'm ...
1 vote
1 answer
2k views

Leapp upgrade : no matches found for the following disable plugin patterns : subscription-manager

I’m trying to elevate from CentOS 7.9 to Alma8. I’m following the official guide, but I’m stuck at leapp upgrade. I have the following error : STDERR: No matches found for the following disable plugin ...
1 vote
0 answers
206 views

Migrating to another AD domain/forest: advice needed on handling of GPO-based software installations and existing file shares

We have been administering 3 AD 2019 servers serving around 150 Windows 10 clients, in a single AD domain. As part of an organization merging, a single AD domain will be created and a task to migrate ...
0 votes
0 answers
119 views

AWS application migrations service MAC address?

I want to migrate a on premise license server to aws using lift and shit of aws. There are couple of license server softwares running on server which are tied to MAC address of server. Software's are ...
0 votes
0 answers
39 views

Recommendations for a small O365 tenant-to-O365 tenant migration?

My (small) team manages the technology for a small college (~600 students), including the college's existing Office 365 tenant. We recently acquired another small college (~125 students) which came ...
1 vote
1 answer
11k views

Migration from Server 2012 r2 to Server 2022

This is the first time I will have performed an upgrade of this scale (moving all of our 2012 r2 VMs to 2022) and the Microsoft documentation I've read had details on in-place upgrades. I understand ...
0 votes
1 answer
142 views

Customizing capability in migrating pod security admission

From my understanding, in the pod security admission(PSA), there is no customization feature. We can only select one of the security levels (privileged, baseline or restricted) Now, there is a pod ...
0 votes
0 answers
21 views

Migrating Mongo within VPN to Azure cosmos fails

I'm working on migrating my Mongo database to Azure Cosmos. I'm using the MigrationMongoService Azure Database Migration Service but when I create a project, it fails because of connectivity problems. ...
0 votes
0 answers
691 views

LDAPS, Certificate Authority, and Domain Controllers

I have a domain environment with 4 2012 Domain Controllers that I am working on replacing with 4 new 2022 domain controllers. I have some questions regarding how the CA works when issuing certificates ...
0 votes
1 answer
93 views

Migrating server and backup server to bigger RAID 1 (software) arrays

I have 2 boxes. The server (actually an ownCloud server) and a backup server. Both are running Ubuntu servers. The main server has a RAID 1 array of 2x2TB drives. The backup server has a RAID 1 ...
0 votes
1 answer
642 views

How to migrate from one VPS to another

Yo, so I need to migrate server from one VPS to another with exact copy of a system with all users, database data and etc. I have image of source VPS but suddenly hosting doesn't provide ability to ...
3 votes
2 answers
3k views

Convert hard drive to Virtual Machine

I'm looking for a way to convert a raw hard drive image (from a machine that had Windows 10 installed on it) to a bootable working virtual machine, preferable VMware based. Everything I'm finding ...
0 votes
1 answer
632 views

How to migrate User Data to OneDrive without granting administrators permissions

Performing a migration of all users "personal" files to OneDrive and I'm quite new to this all. My small organization is in the process of migrating to SharePoint and OneDrive, and our Users ...
0 votes
2 answers
6k views

How to increase the size for /dev/mapper/centos-root without data loss

I am running a virtual server, and the provider added extra diskspace. However, I need to somehow increase (merge) the existing disk (has data) and the new disk (empty). how to increase the size for /...
0 votes
2 answers
1k views

Exchange 2019 Migration - Mailbox Migrations

We're migrating from 2013 to 2019 and so far everything is going well. I've moved a good set of our user mailboxes with no issues and connectivity, mail flow, etc. What I keep running into is these ...
-1 votes
1 answer
47 views

Office 365 migration PST

I can't migrate from Outlook to Office 365. In fact , I can't get into the cloud. My version of 365 is E1 It tells me that I am not authorized to identify myself on Azure while it is my admin account....
0 votes
3 answers
1k views

GCP Project Migration Option Unavailable

Hello Google Cloud Experts, I was recently trying to get a Google Cloud Platform project that is seperate from our organization projects migrated/movbed into our organization. I am having some ...
1 vote
1 answer
772 views

Migrating file server with Windows Deduplication by switching disk

I'm migrating a bunch of large file servers to new Windows VMs as a way of updating the OS, planning on switching the virtual disks over and exporting/importing the lanman share registry and retaining ...
0 votes
1 answer
754 views

DMS ignores rule to rename column that was just created

I'm using DMS to create an on-going task that will deploy data from my production database to the development one. However, the PII must be masked so I'm creating a set of rules to do that. It's ...
3 votes
1 answer
2k views

Move exchange mailboxes cross forest

Having a hard time migrating user mailboxes across 2 forests. I've set up ADMT 3.2, No dns issues and fully route-able between the domains etc. Have come to migrate user mailboxes and the exchange ...
0 votes
1 answer
139 views

Openstack nova cold migration failing on rocky 9 due to sftp subsystem error

I have deployed a multinode deployment of OpenStack using kolla ansible (deployed following the openstack deployment guide) on 2 rocky linux 9.1 machines. When attempting to migrate one instance ...
2 votes
0 answers
78 views

How to make an ACI for users that are `roleOccupant` in an `organizationalRole`?

In OpenLDAP I had an access rule using users that are roleOccupants in a specific organizationalRole like this (the example is just a fragment): olcAccess: to * by group/organizationalRole/...
147 votes
9 answers
250k views

How to dump a Microsoft SQL Server database to a SQL script?

Is there any way to export a Microsoft SQL Server database to a SQL script? I'm looking for something which behaves similarly to mysqldump, taking a database name, and producing a single script which ...
0 votes
1 answer
862 views

Associate old domain user profiles/files to accounts on new domain

I have 2 domains, A and B. We are migrating our user profiles and computers from A to B using ADMT. Our test accounts and machines migrate fine, however the only issue is that it updates the SID, so ...
1 vote
1 answer
422 views

Moving linux server from ARM to x86

I've got a RPi LAMP server; Apache alone drives our Nextcloud, Zabbix, Prestashop, Guacamole and few other - we're unhappy with the performance as my 1GBit fiber is wasting on RPi(only 100Mb/s) and ...
-1 votes
1 answer
66 views

How to migrate Azure server including IIS sites with the same name, different DNS

We currently have a Classic VM whose IP is directed by the DNS subdomains app.mydomain.com and api.mydomain.com. The IIS server has configured the sites app.mydomain.com and api.mydomain.com. Any user ...
1 vote
0 answers
30 views

OneDrive, can you migrate shared locations from one computer to another?

We are migrating users to new computer, and they have around 10 different SharePoint sites. Is there a way to copy the settings to a new computer, without manually doing so. I've looked at Computer\...
2 votes
1 answer
214 views

Migrating an Ecommerce Website

I host a Magento website that I want to migrate to a new server without causing too much down time. The URL will stay the same but the DNS settings will be changing. I'll be putting a upgrade notice ...
2 votes
1 answer
10k views

Moving an AD user account from one domain to another within same forest

Requirement: In our organisation, several employees have frequent transfers to different zones, which are different domains within a single forest. Need to transfer users from one domain to another ...

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