Synch Exchange 2003 SP2 with BlackBerry server 4.1 -> no more synch!

Blackberry Server 4.1
Unable to synchronize after upgrading from Exchange 2003 to Exchange2003 SP2.
Running w2003 Server.
Msg : mapimailbox::Send(ppMAPIMessage) - SubmitMessage(0x80070005) failed
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In Active Directory, assign the Send As permission to the BlackBerry administration account:
In Active Directory Users and Computers, expand the domain tree.
Right-click Users, then click View > Advanced Features.
Right-click Users in the domain tree, then click Properties.
On the Security tab, click Add to open the Select Users, Computers, or Groups window.
Type the name of the BlackBerry Enterprise Server administration account (for example, BESAdmin), click Check Names, and click OK.
Select the administration account and click Advanced to open the Access Control Settings for Users window.
Click Add to open the Select Users, Computers, or Groups window.
Type the name of the administration account, click Check Names, and click OK. The Permission Entry for Users window opens. On the Object tab, from the Apply onto drop-down list, select User objects.
In the Permissions list box, select the Send As check box and click OK.
Click OK again to close the Access Control Settings for Users window.
Click Apply, then click OK to close the Users Properties window.
Repeat Steps for any additional Organizational Units that contain BlackBerry device users.

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