Summary
This article provides 8.2.50 HF2 and information about how to apply this fix on your servers.
Applies To
This article applies to MachPanel
Important Note
- Prior to performing any update take
backup of your MachPanel Database and files from Control and Remote
servers. See below Kb article for more details on how to take backup. http://kb.machsol.com/Knowledgebase/Article/50248
- MachPanel Control Panel and all MachPanel Remote Servers need to be on Build v8.2.50 and then Hotfix can be applied.
- Please follow the steps given below in sequence and execute instructions in the KB articles to complete the update:
Latest Issues Fixed
Build: 8.2.50 HF4 Updated: May 22, 2026
17:Handled auto add mailbox primary email on ADUser UPN change.
18:New permissions related for reports added in Staff role and Access permissions.
19:Improved VM management UI/UX.
20:Added method in REST API to update Customer Linked Ad User.
21:Updated REST API Mailbox features method.
22:Added method in REST API to manage Mailbox Calender permissions.
23:Snapshot management handled for Cluster based VM management.
24:REST API search using domain alias fixed.
25:Added VPS Server to Customer mapping in Hyper-V module.
26:Option added to change OS type of existing VM.
27:Added method in REST API to change mailbox type.
28:Send connector management updated.29:Fixed AD Organization Domain Edit issue not getting updated on backend AD.
30:Fixed Automatically Add Users in Security Group of AD Organization.
31:Updated Resource/Room Mailbox Full Access manager auto-update.
32:Fixed Mailbox connect/recreated issue through MachPanel Recovery interface.
33:Fixed Exchange DL LDAP Issue after setting Email Alias as Primary.
34:Updated Mailbox listing having different UPN and Primary Email for better understanding.
35:Fixed Shared Mailbox permission violation issue.
36:Fixed VPS Disk Move operation.
37:Updated KeyCloak handling, added to match authenticated user against panel login.
38:Added Cluster support in VPS import, now all VMs on cluster get listed for import.
39:Added default settings in VPS import to make it easy to pre-select settings and import bulk VMs for a customer in one go.
40:Enhancement: In VM import no need to do NIC settings, it is auto handled and if a match is not found then message appears to set the settings manually.
41:Added feature to map Servers to Customer in Hyper-V, it updates Owner nodes in Cluster setup on backend too.
42:Added feature to manage Trunk port Config in NIC management for Provider.
43:Added feature to schedule email for Over Quota usage report.
44:Added function for Over Quota usage report in REST API.
45:Permissions added for Staff and Customer/Reseller access permissions to manage different sections in Hyper-V and Exchange section.
- Go to MachPanel configuration studio.
- Shut down all the MachPanel services and also exit the
configuration studio. Make sure no instance to MachPanel Configuration
Studio is running under any user.

-
Download the hotfix MachPanel_HF_8.2.50_HF4_May_22_2026.zip file from the link at bottom of this page.
-
Stop IIS Admin Service, please make sure that all the services
are STOPPED from MachPanel Configuration Studio. Verify from "Task
Manager" that the following services are not running.
-
MachSol.MachPanel Provisioning Service.
-
MachSol.MachPanel.ConfigurationStudio.exe.
-
MachPanel Billing Service.
-
MachPanel Helpdesk Service.
-
MachPanel Network Service.
-
MachPanel License Service.
-
MachPanel O365 Service.

- Replace files from MachPanel folder on MachPanel control server (Path: C:\Program Files\MachSol\MachPanel Control Server) and Replace files from Remote server folder of hotfix folder on MachPanel remote server (C:\Program Files\MachSol\MachPanel Remote Server) keeping the folder hierarchy same as it is in hotfix. (you should get message to overwrite files, if not you are not doing it right).
- Execute script.txt from zip file on MachPanel_Db after logging in to SQL management studio as MachPanel_Db user.
- Once all files are replaced properly from hotfix folder Restart all services related to MachPanel on Control as well as Remote Servers.
Download Link
https://www.machsol.com/updates/8250/MachPanel_HF_8.2.50_HF4_May_22_2026.zip
Note: Please Unblock the files before replacing in installation directory if the downloaded Zip folder is blocked.