Information Technology Training

Renew a TLS/SSL certificate

Renew a TLS/SSL certificate DigiCert product docsCertCentralManage certificatesRenew a TLS/SSL certificateRenew a TLS/SSL certificateTLS/SSL certificate renewal made easyNoticeIndustry standards change: End of 397-day maximum validity public TLS/SSL certificatesOn February 24, 2026, DigiCert stopped issuing 397-day public DV,....

Renewing Addigy Certificate
Addigy is a cloud-based Mobile Device Management (MDM) and endpoint management platform

1. Download the Certificate Signing Request (CSR) from Addigy.
2. Upload the CSR to Apple’sPush Notification Site
3. Download the renewed .pem certificate
4. Upload the renewed certificate back to Addigy.

1.download

Desktop icons not showing up

The laptop is domain‑joined and configured with Folder Redirection for Desktop and Documents to a LAN‑only file server.
When the user was off the network and no VPN available, the system could not reach the file server and the domain controller.

- Redirected the Desktop manually to OneDrive and Updated the registry: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders - Desktop – copy-paste: %USERPROFILE%\OneDrive\Desktop
- Restarted Windows Explorer.

Fixed a Sage error by installing Outlook Classic 32-bit