Event ID - 11508

Event Id11508
SourceMSExchange POP3
DescriptionAccept clients on POP3 interface failed in function HrRegisterProtocol with error 0x2741.
Event InformationAccording to Microsoft:
Windows NT 4.0 Service Pack 4 causes NDISWAN Services to return IP addresses in the order in which they are bound. This change results in IP addresses not currently bound to the TCP/IP stack being returned when making a call to the Winsock API function GetHostbyName(). Microsoft Exchange Server fails to register Internet protocols with these IP addresses.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. Microsoft has confirmed that this is a problem in Windows NT 4.0 Service Pack 4. This problem was first corrected in Windows NT version 4.0 Service Pack 5.
Reference LinksExchange Protocols Fail After Applying Windows NT 4.0 SP4

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