Error activating license. HMP3.0 SU248.

I got interesting issue- cannot activate production license! I get pop-up message "Error activating license."

Here are errors in Event Viewer Sys log:

LicenseMangerAPI:  - [CLicense::Checkout()]     Exception: FlexLM function 'lc_checkout()' returned error: (-9) Invalid host.
 The hostid of this system does not match the hostid
 specified in the license file.
Feature:       Voice
Hostid:        00215e564354
License path:  D:\SourceCD\Licenses\090810CIC1_50r50v0e0c0s0f0i0m_host_pur.lic;
FLEXnet Licensing error:-9,57
For further information, refer to the FLEXnet Licensing documentation,
available at "www.acresso.com".

LicenseMangerAPI:  - [CLicense::Checkout()] } Leave (Exception

LicenseMangerAPI:  - [CLicense::ActivateFull()], Exception:    Error checking out feature 'Voice': FlexLM function 'lc_checkout()' returned error: (-9) Invalid host.
 The hostid of this system does not match the hostid
 specified in the license file.
Feature:       Voice
Hostid:        00215e564354
License path:  D:\SourceCD\Licenses\090810CIC1_50r50v0e0c0s0f0i0m_host_pur.lic;
FLEXnet Licensing error:-9,57
For further information, refer to the FLEXnet Licensing documentation,
available at "www.acresso.com"., delete pFeature

LicenseMangerAPI:  - [CLicense::Activate()] Activate->Activate throwing exception

Here is part of Dialogic log file:

08/10/2009 14:50:11.377   2860           0                                      [Control message from process 2888]:Client detached
08/10/2009 14:50:12.299   2860           0                                      [Control message from process 9964]:Client attached
08/10/2009 14:50:13.643   6308        6376 OAMSYSLOG               Error        LicenseMangerAPI:  - [CLicense::Checkout()]     Exception: FlexLM function 'lc_checkout()' returned error: (-9) Invalid host.
                                                                                The hostid of this system does not match the hostid
                                                                                specified in the license file.
                                                                               Feature:       Voice
                                                                               Hostid:        00215e564354
                                                                               License path:  D:\SourceCD\Licenses\090810CIC1_50r50v0e0c0s0f0i0m_host_pur.lic;
                                                                               FLEXnet Licensing error:-9,57
                                                                               For further information, refer to the FLEXnet Licensing documentation,
08/10/2009 14:50:13.643   6308        6376 OAMSYSLOG               Error        LicenseMangerAPI:  - [CLicense::Checkout()] } Leave (Exception
08/10/2009 14:50:13.643   6308        6376 OAMSYSLOG               Error        LicenseMangerAPI:  - [CLicense::ActivateFull()], Exception:    Error checking out feature 'Voice': FlexLM function 'lc_checkout()' returned error: (-9) Invalid host.
                                                                                The hostid of this system does not match the hostid
                                                                                specified in the license file.
                                                                               Feature:       Voice
                                                                               Hostid:        00215e564354
                                                                               License path:  D:\SourceCD\Licenses\090810CIC1_50r50v0e0c0s0f0i0m_host_pur.lic;
                                                                               FLEXnet Licensing error:-9,57
                                                                               For further information, refer to the FLEXnet Licensing documentation,
08/10/2009 14:50:13.643   6308        6376 OAMSYSLOG               Error        LicenseMangerAPI:  - [CLicense::Activate()] Activate->Activate throwing exception
08/10/2009 14:52:37.738   2860           0                                      [Control message from process 9964]:Client detached
08/10/2009 14:52:38.753   2860           0                                      [Control message from process 2376]:Client attached

I did check MAC address many times in license file.

I checked settings and license file following this KB: http://www.dialogic.com/support/helpweb/hmp/tn921.aspx