Download PDAS - Plagiarism Detector Accumulator Server

Download the PDAS installer:

https://cdn4.plagiarism-detector.com/pdas/829/PDAS-Setup.exe

SHA256: 6633da8eea825112048280a0990df390847969fe7e2652f4792f6e27513ebb10

PDAS System Requirements:

Microsoft Windows x64 10/11
.NET Framework 4.6.2 or higher
Administrator rights (PDAS installs as Windows services)
Plagiarism Detector installed on the same PC
TCP port 20000 open on your local network
Disk space for your document corpus
Internet access during installation

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To fully remove PDAS:

Open Windows Settings, then Apps
Select "PDAS" in the list of installed apps
Click "Uninstall"
Your document database is kept, so a later reinstall picks up your corpus where you left it

Your Own Plagiarism Database, On Your Own Server

PDAS indexes the documents you give it - theses, coursework, archives, internal reports - into a private database on a PC or server you control. Every Plagiarism Detector seat on your local network can then check new documents against that corpus, catching recycled papers and cross-semester reuse that no Internet search can find.

Nothing leaves your network. The corpus, its index and every query stay on your own hardware, and PDAS answers Plagiarism Detector over a local HTTP API. Your documents are never pooled with other institutions or stored with any third party.

PDAS Custom Database check selected in the Plagiarism Detector check wizard

What the Installer Sets Up

PDAS is a server product, not a desktop add-in. The installer asks you no questions: it deploys the application to Program Files, creates the database in ProgramData, registers three Windows services - the database engine, the local web API and the PDAS indexing service - adds a Windows Firewall rule for the API, and puts the PDAS Control Center in the Start menu.

Updating is safe. Running a newer installer over an existing PDAS keeps your accumulated document database, so the corpus you have built is never lost to an upgrade.

PDAS is an add-on to licensed Plagiarism Detector seats. Because it runs as Windows services, it keeps working with nobody signed in to the server.

Which Plagiarism Detector Licenses Connect to PDAS

Feature	Free Demo	Lite	Personal	Pro	Portable
PDAS connectivity

Deploying PDAS for a department or a whole institution? Request a quote for Organization licenses - our team will size the server with you.

How to Install PDAS

1

Step 1: Install Plagiarism Detector First

PDAS takes its identity from the Plagiarism Detector installation on the same PC, so install Plagiarism Detector on the server PC before you start. Without it the PDAS installer stops and tells you why.

2

Step 2: Run the PDAS Installer as Administrator

Download PDAS-Setup.exe using the link above and run it. It downloads the server components, sets up the database and web services, and starts them. It needs administrator rights and an Internet connection while it runs.

3

Step 3: Add Documents and Run a PDAS Check

Open the PDAS Control Center and add the documents you want to check against. Then, in Plagiarism Detector, choose "Custom Database check (PDAS)" in step 3 of the check wizard to search your own corpus.

Frequently Asked Questions

Do I need a license to use PDAS?

PDAS is an add-on to licensed Plagiarism Detector seats: Personal, Pro and Portable licenses connect to it, while the free demo and the Lite license do not. To deploy PDAS for a department or an institution, request an Organization quote and our team will size the server with you.

Where should I install PDAS?

On one always-on PC or server inside your network that the Plagiarism Detector workstations can reach. PDAS runs as Windows services, so it keeps answering checks with nobody signed in.

Will updating PDAS delete my document database?

No. A newer installer run over an existing PDAS detects the database and keeps it, and a standard uninstall keeps it too. Your accumulated corpus survives both upgrades and reinstalls.

Does PDAS need an Internet connection?

Only during installation, to download its server components. After that PDAS works inside your local network: the documents you index, and the checks against them, never leave it.

Which network port does PDAS use?

PDAS answers Plagiarism Detector over a local HTTP API on TCP port 20000. The installer adds a Windows Firewall rule for it; if another firewall sits between your workstations and the server, allow that port on your local network.