1

Success.

2

Protocol version mismatch.

3

Invalid sync key.

4

Protocol error.

5

Server error.

6

Error in client/server conversion.

7

Conflict matching the client and server object.

8

Object not found.

9

User account may be out of disk space.

10

An error occurred while setting the notification GUID.

11

Device has not been provisioned for notifications yet.

1

Success.

2

Protocol Error.

3

An error on the Exchange server occurred.

4

Bad Link

5

Access Denied

6

Not Found

7

Connection Failed

8

Too Complex

9

Index not loaded

10

TimeOut

11

NeedToFolderSync

12

EndOfRetrieveableRangeWarning

1

Success.

2

A folder with that name already exists.

3

Folder is a special folder

4

Folder not found

5

The specified parent folder was not found.

6

An error on the Exchange server occurred.

7

Access denied.

8

The request timed out.

9

Sync key mismatch or invalid sync key.

10

Misformatted request.

11

An unknown error occurred.

1

The heartbeat interval expired before any changes occurred in the folders being monitored. The client should reissue the Ping command request.

2

Changes occurred in at least one of the folders that were being monitored. The response includes the folders in which these changes have occurred.

3

The client Ping command request did not specify all of the necessary parameters. The client is expected to issue a Ping request that includes both the heartbeat interval and the folder list.

4

There has been a general error in the Ping request issued by the client, which can be caused by poorly formatted WBXML.

5

The heartbeat interval specified by the client is outside the range set by the server administrator. If the specified interval was too great, the returned interval will be the maximum allowable value. If the specified interval was too low, the returned interval will be the minimum allowable value.

6

The Ping command request specified more folders to monitor for changes than is allowed by the limit configured by the server administrator. The response specifies the limit in the MaxFolders element. 

7

The client specified a folder that has been moved or deleted or the server that the client has been accessing has been upgraded from Exchange Server 2003 SP1 to SP2. The client should issue a FolderSync request. 

8

An error has occurred. The client should reissue the Ping request. 

1

Success.

2

Invalid meeting request.

3

An error occurred on the mailbox.

1

Success.

2

A collection was invalid or one of the specified collection IDs was invalid.

3

Sync state has not been primed yet. The Sync command must be performed first.

4

The specified sync key was invalid.

1

Invalid source collection ID.

2

Invalid destination collection ID.

3

Success.

4

Source and destination collection IDs are the same.

5

A failure occurred during the move operation.

6

An item with that name already exists at the destination.

7

Source or destination item was locked.