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Convert-EntraObjectIDAndSID

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SYNOPSIS

Converts between Microsoft Entra ID SID and Object ID formats.

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SYNTAX

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DESCRIPTION

Automatically detects whether the input is a SID (S-1-12-1-…) or an Object ID (GUID) and converts it to the other format.
  • SID (S-1-12-1-…) → returns the corresponding Object ID (GUID)
  • Object ID (GUID) → returns the corresponding SID (S-1-12-1-…)

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EXAMPLES

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EXAMPLE 1

Converts the given SID to its corresponding Object ID (GUID).

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EXAMPLE 2

Converts the given Object ID to its corresponding SID.

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EXAMPLE 3

Converts multiple values via pipeline input.

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PARAMETERS

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-Value

The SID or Object ID to convert. Accepts pipeline input.
  • SID format: S-1-12-1-{4 decimal numbers separated by dashes}
  • Object ID format: GUID (e.g., xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)

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CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

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INPUTS

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System.String

Not documented.

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OUTPUTS

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NOTES

Entra ID uses a specific SID format: S-1-12-1-{4 UInt32 components derived from the GUID bytes}. This conversion is bijective: SID <-> ObjectID.