How to Change IP Address and Netmask in SynetoOS 4

Written By Christian Castagna (Administrator)

Updated at October 22nd, 2025

Table of Contents

→ Applies to: SynetoOS 4.x

 

Step 1. Login to VMware ESXi GUI (replace <your_ip_address_or_hostname> with the correct ip/hostname)

https://<your_ip_address_or_hostname>

 

Step 2. Power-off and unregister all VMs except SynetoOS and SynetoFileRecovery

 

Step 3. Login to SynetoOS 4 GUI (replace <your_ip_address_or_hostname> with the correct ip/hostname)

https://<your_ip_address_or_hostname>

 

Step 4. From the left menu, click on Datastores

 

Step 5. Click on Change host

 

Step 6. Deselect the host and click on Update

Step 5 and 6 must be repeated for all datastores on SynetoOS.


Via GUI


Step 1. Click the Settings menu in the upper right corner


Step 2. From the dropdown menu click on Adapters


Step 3. Click on Edit on vmxnet3s0 interface


Step 4. Modify the IP address / netmask and click on Update

This could take a few moments, please wait.

In some cases you may receive a network error (see image below): it can be ignored.


Via CLI


Step 1. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

 

Step 2. Remove bash_profile

rm ~admin/.bash_profile

After running the command, you need to perform logout and login again.

 

Step 3. Become Super User

sudo su

 

Step 4. Check the current IP addresses

config net ip show

EXAMPLE OUTPUT

 

Step 5. Set the new IP address / netmask (replace <ip_address> and <subnet> with the correct information)

config net ip edit vmxnet3s0 address <ip_address>/<subnet>