When removing Mobile Devices from Exchange Mailboxes, you get the error message: DeviceId cannot contain hyphens.

Scenario:  When you attempt to remove a mobile device from a users mailbox, you receive the error below.

Error:  An unexpected error has occurred and a Watson dump is being generated: DeviceId cannot contain hyphens.  

Resolution: Remove the mobile device object via ADSI Edit.

1. Open ADSI Edit.
2. Under the Default Naming Context, navigate to the user object of the mailbox that has the mobile device.
3. Expand that user object, and click on the CN=ExchangeActiveSyncDevices.
4. Delete the Mobile Device for this user.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: