Keep your SharePoint Manager Plus deployment secure and up to date with the latest service packs and patches.
Find your current build number and verify the correct PPM file before executing your environment upgrade.
Note: If you are facing the error "Signature does not match with any available certificates. Please import a valid certificate or contact support," download the certificate based on your current build number and import it by clicking Import Certificate at the top-right corner of the Update Manager window.
| Build number | Download link |
| 4500 and above | https://updates.manageengine.com/certificates/latest.crt |
| Below 4500 | https://www.manageengine.com/certificate/ppmsigner_publickey.crt |
Note: If you need to apply more than one service pack, follow the same instructions for each installation.