required port 443 for veeam backup & replication is occupied by another application

Remember: Port 443 is a precious resource on any Windows server. Treat it as such, dedicate Veeam to its own machine wherever possible, and always perform a port audit before installation or upgrade. Your backups—and your peace of mind—depend on it.

Common culprits include IIS, SQL Reporting Services, or Hyper-V Replication . 2. Common Fixes for Specific Services

Major Issues After Upgrading to Veeam V13: Port 443 Conflict

Negative. Corporate policy M-2024-09. All Windows servers with financial data classification must have AcmeCorp agent bound to default HTTPS port for SSL inspection. No exceptions. Change request would take 3 weeks.

: Alternatively, run netstat -anob | findstr :443 to see the executable name directly. Common culprits include: