Change how a BlackBerry Attachment Connector retries sending requests to a BlackBerry Attachment Service ........ 357
Change how a BlackBerry Attachment Connector restores a lost connection to a BlackBerry Attachment Service ..... 358
Attachment file formats that the BlackBerry Attachment Service supports ...................................................................... 359
Limitations for supported attachment file formats ..................................................................................................... 359
Changing how a BlackBerry Attachment Service converts attachments ........................................................................... 361
Change how a BlackBerry Attachment Service converts attachments ....................................................................... 361
Change the maximum file size for attachments that users can receive ...................................................................... 363
Turn off support for an attachment file format for a BlackBerry Attachment Service ......................................................... 364
Add support for an additional attachment file format to a BlackBerry Attachment Service ................................................ 365
Changing how the BlackBerry Messaging Agent reconciles attachments to the messaging server .................................... 366
Change the maximum file size for attachments that users can send .......................................................................... 366
Prevent users from sending large attachments ......................................................................................................... 367
Change the maximum file size of attachments that users can download .................................................................... 367
30 Managing calendars .................................................................................................................... 369
Configuring the BlackBerry Enterprise Server to use Microsoft Exchange Web Services or MAPI and CDO libraries ........... 369
Prerequisites: Configuring the BlackBerry Enterprise Server to use Microsoft Exchange Web Services ....................... 369
Turn off client throttling in Microsoft Exchange 2010 ................................................................................................ 370
Configure the BlackBerry Enterprise Server to use Microsoft Exchange Web Services ................................................ 370
Configure the BlackBerry Enterprise Server to use MAPI and CDO libraries ............................................................... 371
Configure the BlackBerry Messaging Agent instances to use a web address for a specific Microsoft Autodiscover
service .................................................................................................................................................................... 372
Configure the BlackBerry Messaging Agent instances to use a specific web address for a client access server for
Microsoft Exchange ................................................................................................................................................. 373
Configuring the BlackBerry Messaging Agent instances to look up the user's status using only Microsoft Exchange
Web Services ........................................................................................................................................................... 374
Correcting calendar synchronization errors on devices .................................................................................................... 375
Configuration levels using the BlackBerry Enterprise Trait Tool ................................................................................. 375
Turn off corrective calendar synchronization ............................................................................................................ 376
View the current settings for corrective calendar synchronization ............................................................................. 377
Turn off automatic error correction in corrective calendar synchronization ................................................................ 377
Configure the range of days to check for calendar synchronization errors .................................................................. 378
Configure when corrective calendar synchronization runs ......................................................................................... 379
Logging information for corrective calendar synchronization ..................................................................................... 380
Delete a setting for corrective calendar synchronization ........................................................................................... 381
Start corrective calendar synchronization manually for a user account ............................................................................ 382
Improving the flow of email messages and calendar synchronization when the BlackBerry Enterprise Server runs on
Windows Server 2008 ..................................................................................................................................................... 382
Change how the BlackBerry Enterprise Server creates temporary MAPI profiles for the CalHelper application ........... 383
31 Managing instant messaging ....................................................................................................... 384
Installing a collaboration client on BlackBerry devices ..................................................................................................... 384
Change the instant messaging server or pool that a BlackBerry Collaboration Service connects to .................................... 385