XFOR: Internet Mail Service May Not Start When Multiple Entries Are Used and RelayFlags Are Set to RELAY_USE_ALLOW_LIST

• Microsoft Exchange Server, version 5.5

SYMPTOMS

The Internet Mail Service fails to start and it generates an application exception. The following is an example of the application exception that will be displayed in Windows NT and allow the user to break into the debugger:

The application, exe\MSEXCIMC.dbg, generated an application error. The
error occurred on 12/ 2/1997 @ 17:27:29.240 The exception generated was
c0000005 at address 77f64654 (RtlAllocateHeap)

CAUSE

Exchange Server has the registry entries RelayFlags and "RelayAllowList" configured under the Internet Mail Service with multiple entries.

The following is an example:

   RelayFlags REG_DWORD 2
    RelayAllowList REG_MULTI_SZ 192.168.42.1 192.168.42.2 

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.5. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords : kbusage XFOR kbbug5.50
Version : WinNT:5.5
Platform : winnt
Issue type : kbbug