QNAP Systems Ts 253 User Guide

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To set the NAS as a domain controller, follow the steps below:  
1. Go to Control Panel > Privilege Settings > Domain Controller > Domain Controller tab.  
2. Select a domain controller mode from the drop down list.  
3. Specify a domain (example: mydomain.mycompany.local.)  
4. Fill out the administrator password and the same password again in the Verify Password field.  
5. Click Apply.    
 
After a domain controller is enabled, only the domain users can connect to Microsoft Networking 
shared...

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Batch importing users 
To batch import domain users, follow the steps below: 
1. Go to Control Panel > Privilege Settings > Domain Controller > Users tab.  
2. Click  Create > Batch Import Users.  
3. Select the option Overwrite existing users to overwrite existing domain users (or leave 
this option unchecked if you want to import domain users without overwriting exist ones.) 
Click Browse and select a CSV file which contains the user information in the following 
format (account, password,...

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Button Name Description 
 Edit 
Password 
Edit the password of a domain user account. 
 Edit User 
Properties 
Specify whether the domain user must change the password at 
the first login, account expiration date, description and email.  
 Edit 
Group 
Members
hip 
Choose which domain group(s) the domain user belongs to.  
 Edit User 
Profile 
Specify the profile path, login script, and home folder of an 
domain user account.  
 
For user profiles: 
Profile path: Specify the shared folder where...

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Deleting domain user groups 
To delete a domain user group, follow the steps below:  
1. Go to Control Panel > Privilege Settings > Domain Controller > Groups tab.  
2. Select user group(s) and click Delete. 
 
Note: It is advised not to delete the default existing group of the domain. 
 
Editing group members 
To edit domain members within a group, follow the steps below:  
1. Go to Control Panel > Privilege Settings > Domain Controller > Groups tab.  
2. Click the Edit Group Membership button...

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Button Name Description 
 Edit 
Computer 
Properties 
Edit the description and location of the computer account.  
 Edit 
Group 
Members
hip 
Choose to add the computer account to the user group(s) or 
remove it from the user group(s).  
 
DNS 
 
The Domain Name System, or DNS, can help the domain controller locate services and devices within 
the domain (or vice versa) using service and resource records. Two DNS zones are created by default 
(the domain created when you first set up the NAS as...

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Note: Only the following types of records are supported: A, AAAA, PTR, CNAME, NS, MX, 
SRV, TXT. 
 
Deleting domains or records 
To delete a record, first go to Control Panel, Privilege Settings > Domain Controller > DNS tab 
and log in with the administrator username and password. Follow the steps below: 
1. Select a domain or record  
2. Click Action > Delete. 
3. Click Yes. 
 
Backup/Restore 
 
The domain controller status can be backed up or restored using the backup/restore function. Only the...

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If the domain controller you try to restore is in an environment with more than one domain controllers, 
do not restore from the backup, as this will corrupt the domain controller database. Simply add the 
NAS back as a domain controller, and it will synchronize with the existing domain controller. If no other 
domain controllers are online, restore only the first domain controller, and join the other NAS servers 
as the domain controller back. To restore a domain to a previous state with multiple...

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Network & File Services 
 
Go to Control Panel > Network & File Services to configure the NAS network settings.  
 
 
For setup details, refer to the following links: 
Network & Virtual Switch 
Network Access 
USB QuickAccess (Only available for certain models) 
Win/Mac/NFS 
Telnet/SSH 
SNMP 
Service Discovery 
FTP 
Network_Recycle_Bin  

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Network & Virtual Switch 
 
Go to Control Panel > Network & File Services > Network & Virtual Switch to configure 
the NAS network settings.  
 
 
Network & Virtual Switch 
 
Network & Virtual Switch integrates physical interface management, virtual adapters (VMs 
and containers), Wi-Fi, DHCP server, default gateway, IPv6, and Thunderbolt features. It also 
supports virtual switches that can bridge 1 Gigabit and 10 Gigabit environments just like 
using physical switches. You can bridge...

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Note: These functions or their content are only applicable on some models. To check for 
applicable models, please refer to the product comparison table on the QNAP website. The 
topology may vary among different models.    
  
Overview 
This page provides a general overview on the network and you can check the network 
topology, its status, and each device on the network. 
  
Interfaces 
You can edit physical interfaces, virtual switches, DNS server, port trunking, IPv6 and VLAN 
settings on...