| Event Id | 11508 |
| Source | MSExchange POP3 |
| Description | Accept clients on POP3 interface failed in function HrRegisterProtocol with error 0x2741. |
| Event Information | According to Microsoft: CAUSE: 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. RESOLUTION: 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 Links | Exchange Protocols Fail After Applying Windows NT 4.0 SP4 |
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