DC Diag Analyzer
Upload your Active Directory diagnostic files for instant health analysis. All processing happens in your browser — no data sent to any server.
DCDiag Output
Upload dcdiag.txt output
.txt
Repadmin Summary
Upload repadmin /replsummary
.txt
GPResult Output
Upload gpresult /r output
.txt
How to generate the analysis files?
Run our PowerShell script on any Domain Controller to automatically generate all required files.
1
Download the script
Download
Get-ADDiagnostics.ps1 and copy it to your Domain Controller.2
Run as Administrator
Open PowerShell as Administrator on your Domain Controller and run:
Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass .\Get-ADDiagnostics.ps1
3
Upload the generated files
The script creates a folder
C:\ADDiag\<date>\ with 3 files. Upload them above:dcdiag.txt→ DCDiag drop zonerepadmin_replsummary.txt→ Repadmin drop zonegpresult.txt→ GPResult drop zone
Requirements: Must be run on a Domain Controller • Requires Administrator privileges • Windows Server 2016, 2019, 2022
Your data stays on your computer. No file is sent to any server.
100% local processing — no data leaves your browser
Supports dcdiag, repadmin /replsummary and gpresult /r
Analyzing...
0%
AD Health Score
A
98/100
Replication
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GPO Compliance
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Critical Errors
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Replication Status
| DC Name | Source DC | Last Success | Lag | Failures | Status |
|---|
Group Policy Status
| GPO Name | Type | Applied | Details |
|---|
DCDiag Test Results
Recommended PowerShell Fixes
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