Windows Vista build 5099
| Build of Windows Vista | |
 | |
| OS family | Windows NT |
|---|---|
| Version number | 6.0 |
| Build number | 5099 |
| Architecture | x86 |
| Compiled on | 2005 |
Windows Vista build 5099 is a pre-Beta 1 build of Windows Vista, which is mentioned in build 5112's setup. In particular, it notes that the user can only upgrade if running build 5099 or higher.