After an upgrade to Vista 5.1.5 the LNS port in Vista is offline and nothing is communicating. Downgrading back to Vista 5.1.4 the LNS port comes back online.
Vista Server 5.1.5
Vista Server 5.1.5 is not communicating to the LNS server properly.
Vista Server hotfix 14 addresses this error within Vista Server 5.1.5.
Please use the following steps to correct this issue:
- Download TAC Vista Server 5.1.5 Hotfix 14 from The Exchange Download Center.
- Run the TACVista515HotFix51514.exe file.
- Reboot the machine.