What is PasswordService?

PasswordService is a process tied to directory services login on macOS.

What is PasswordService?

PasswordService handles password checks for Open Directory, Apple's directory services system. It verifies user passwords against a directory server and supports several login methods.

When does it run?

PasswordService is mainly active on:

• Macs running macOS Server with Open Directory set up
• Macs that are bound to an Open Directory server for user login

On a personal Mac with no directory service, PasswordService is not active.

What login methods does it support?

It can handle several password check methods:

• CRAM-MD5
• DIGEST-MD5
• NTLM (for Windows compatibility)
• APOP (for older mail server login)

These are mostly relevant in workplace and server settings.

Should you worry?

No. It is a normal macOS directory services part. If you see it running on a Mac that is not set up with Open Directory, it is worth checking whether a configuration profile or management tool started it.

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