DOCUMENT:Q243402 14-APR-2000 [exchange] TITLE :XCON: Exchange Server MTA Event ID 9280 PRODUCT :Microsoft Exchange PROD/VER:winnt:4.0,5.0,5.5 OPER/SYS: KEYWORDS:exc4 exc5 exc55 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, versions 4.0, 5.0, 5.5 ------------------------------------------------------------------------------- SUMMARY ======= Exchange Server bridgeheads configured with a large number of site connectors may experience occurrences of the following Event ID, and message backlogs are likely to result: Event ID 9280 MSExchangeMTA Warning A resource limit has been reached when attempting to open an association. The locality table is full. The following Event ID is likely to be seen in conjunction with the occurrences of Event ID 9280: Event ID 57 MSExchangeMTA Warning The limit on the number of associations allowed to and from entity (X.500 Distinguished Name referring to a remote server) has been reached. The limit is 9. MORE INFORMATION ================ Event ID 9280 indicates that the message transfer agent (MTA) has reached its limit for concurrent LAN-based MTA connections. Currently, this limit is approximately 240 concurrent associations for each MTA. Note that this limit relates only to bridgeheads which serve a large number of remote procedure call (RPC)-based connectors, such as site connector. X.400 connections do not factor into this total concurrent association count for the 240 limitation. For additional information about Event ID 57 from the Exchange Server MTA, click the article number below to view the article in the Microsoft Knowledge Base: Q194589 XCON: Event ID 57 from the Exchange Message Transfer Agent Additional query words: ====================================================================== Keywords : exc4 exc5 exc55 Technology : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2 Version : winnt:4.0,5.0,5.5 Issue type : kbinfo ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.