Symantec Mail Security for Microsoft Exchange 7.5.1 and earlier will no longer be able to utilize version 4 (v4) Rapid Release (RR) or Intelligent Updater (IU) definition packages after April 15th, 2016.
4. Verify the the definitions are consumed by SMSMSE. It may take several minutes for the Console to display the new date.
Manual Installation Process
The steps describe the actions taken by the attached utility. These steps may be used in the event the patch fails to run successfully.
1. Login to SMSMSE server using the same credentials used to install SMSMSE. 2. Copy “SMSMSEAuth.dll” , “SMSMSEDefUDply.dll” and “SMSMSERRDefUpdate.exe” at location “<InstallDir>SMSMSE\<Version>\Server”. 3. Create following registry Key and Value at location: