Find-AmbiguousSids

Download the latest release: Find-AmbiguousSids.ps1

Useful when Exchange throws NonUniqueRecipientException, but doesn't log the objects causing it.

Syntax

Find-AmbiguousSids.ps1
  [-GCName <string>]
  [-IgnoreWellKnown <bool>]
  [-Verbose]

Examples

Find all ambiguous SIDs:

.\Find-AmbiguousSids.ps1

Find all ambiguous SIDs while not ignoring the well-known ones, such as Everyone and other SIDs that always appear in multiple places:

.\Find-AmbiguousSids.ps1 -IgnoreWellKnown $false

Show each object being checked:

.\Find-AmbiguousSids.ps1 -Verbose