How do I find out my Build number?
1 Log in to the M365 Security Plus web client, and click the "License" link in the top pane.
2 You will find the "Build" number mentioned below the "Product Version"

M365 Security Plus Service Pack

If your Build Number is	Update to build number
4600 through 4608	Download and update to latest 4609
4500 through 4543	Download and update to 4600
4400 through 4425	Download and update to 4500

If your build number isUpdate to build numberSHA256 Checksum hash value
4600 to 4608Download and update to 4609d4bb7506e4077ff43b24ddf446b798260ea179fdf026b3fcc7d021e7941fae07
4500 to 4543Download and update to 4600b9b763860cc8d2fde80d184b4eca1dd828655c6daa0044c25073a77391e2d9ad

Important:

We strongly recommend you take backups before applying the service pack. This helps prevent accidental loss of data.

Instructions to apply Service Pack

1Shut down M365 Security Plus:
- If the product is running as an application, click Start > All Programs > M365 Security Plus > Stop M365 Security Plus.
- If the product is running as a Windows service, click Start > Run. Type services.msc and stop ManageEngine M365 Security Plus.
2Execute the stopDB.bat file stored in the <M365 Security Plus>\bin directory.
3Back up M365 Security Plus by zipping the contents of the <M365 Security Plus> directory.
4If you're using Microsoft SQL Server, take a backup of the database.
5Open Command Prompt as an administrator and execute the UpdateManager.bat file stored in the <M365 Security Plus>\bin directory.
6Click Browse and select the service pack (.ppm) file that you downloaded.
7Click Install. Depending on the amount of data to be migrated, the installation procedure might take a few minutes. Please do not terminate the process prematurely. The certificate required to verify the service pack's integrity will be automatically imported by the product.
If the automatic certificate import process fails, please import the certificate manually. Otherwise, click Close and then Exit to quit the Update Manager tool.
8Start M365 Security Plus:
- If the product runs as an application, click Start > All Programs > M365 Security Plus > Start M365 Security Plus.
- If the product runs as a Windows service, click Start > Run. Type services.msc and start ManageEngine M365 Security Plus.

1Click on the link based on your current build number from the table below to initiate the download process of the appropriate security certificate.

Build Number	Download link
4600 and above	https://updates.manageengine.com/certificates/latest.crt
Below 4600	https://www.manageengine.com/certificate/ppmsigner_publickey.crt

2Open Command Prompt as an administrator and execute the UpdateManager.bat file in the <M365 Security Plus>\bin directory.
3Open the certificate import tool by clicking Import Certificate button located in the top-right corner.
4Select the certificate by clicking the Browse button.
5Next, select Import to pull in the certificate and proceed with step 6 from the Instructions to apply Service Pack section.

Note:

If you need to apply more than one service pack, follow the same instructions for each installation.

You can contact M365 Security Plus Support at any time for assistance in updating M365 Security Plus to the latest version.