There is a trace flag you can use to log the restore process in detail. Try this:
SQL Server will then log the additional details to the error log. Do the details explain why the restore process is taking longer than the reported duration?
| Code: |
| DBCC TRACEON (3004, 3605, -1) |
SQL Server will then log the additional details to the error log. Do the details explain why the restore process is taking longer than the reported duration?