Exchange Agent: Error when creating a new subscription – ID is malformed

Symptom

Unable to create a new exchange subscription when using the stored procedure Subscribe, the following error is received:

Creating subscription for email [EMAIL ADDRESS] based on the requested subscription 15 has failed 3 times. 
Agent will not attempt to create it until it is restarted. - Id is malformed

Cause

This is caused by having an incorrect or unsupported value entered for the @ObjectOrFolder parameter:

1

Resolution

Ensure that the subscription is being created against a valid object or folder and is one that exists on the supported item list as outlined below.

IMPORTANT: The spelling and case must match. For example; Contacts cannot read contact

Below is a list of 35 supported objects and folders, they will need to be entered into the Value column exactly as they appear:

Calendar
Contacts
DeletedItems
Drafts
Inbox
Journal
Notes
Outbox
SentItems
Tasks
MsgFolderRoot
PublicFoldersRoot
Root
JunkEmail
SearchFolders
VoiceMail
RecoverableItemsRoot
RecoverableItemsDeletions
RecoverableItemsVersions
RecoverableItemsPurges
ArchiveRoot
ArchiveMsgFolderRoot
ArchiveDeletedItems
ArchiveRecoverableItemsRoot
ArchiveRecoverableItemsDeletions
ArchiveRecoverableItemsVersions
ArchiveRecoverableItemsPurges
SyncIssues
Conflicts
LocalFailures
ServerFailures
RecipientCache
QuickContacts
ConversationHistory
ToDoSearch