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Download Tems Discovery | Install

Cause: Windows path length exceeds 260 characters.
Fix: Re-run installer from C:\TEMP\ (root of C drive). Ensure your Windows username has no spaces or special characters.

The license server must be running before the application starts.

TEMS Discovery is proprietary software owned by VIAVI Solutions (formerly part of InfoVista and Ascom). It is not available for public download. download tems discovery install

To download the software, you must follow one of the following channels:

  • Trial Version:
  • Warning: Avoid downloading TEMS software from third-party "warez" or torrent sites. These versions frequently contain malware and are often unstable or "cracked" versions that produce inaccurate engineering reports.

    • Cause: Corrupted map data or insufficient disk space.
    Fix: Cancel install, delete C:\ProgramData\Infovista\TempCache, and restart. During retry, choose "Skip map import" and import maps later via Tools → Map Manager. Cause: Windows path length exceeds 260 characters

    Attempting to install TEMS Discovery on underpowered hardware leads to timeouts and database corruption. Here is the minimum and recommended specification for 2024/2025 builds:

    | Component | Minimum | Recommended (for large 50GB+ logs) | | :--- | :--- | :--- | | OS | Windows 10 Pro (64-bit) | Windows 11 Pro or Windows Server 2019 | | CPU | Intel Core i5 (8th gen) | Intel Core i7 / Xeon (12+ cores) | | RAM | 16 GB | 32 GB to 64 GB (Discovery is a RAM hog) | | Storage | 50 GB free (SSD) | 256 GB NVMe SSD (separate from OS drive) | | Database | PostgreSQL 12 or 14 | Microsoft SQL Server 2019 (Enterprise) | | Display | 1920x1080 | Dual 4K monitors for map analysis | | License Dongle | USB 2.0 port | USB 3.0 (Sentinel driver required) | Trial Version:

    Important: Windows 11 S Mode or Windows ARM (Surface Pro X) is not supported. You need full x64 architecture.