Exchange Error 1021
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Set-receiveconnector Maxinboundconnectionpersource
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Event Id 1021 Exchange 2013
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Log Name: ApplicationSource: MSExchangeTransportDate: 04/20/2012 16:15:52Event ID: 1021Task Category: SmtpReceiveLevel: WarningKeywords: exchange 2010 receive connector connection limit ClassicUser: N/AComputer: HTCAS1.letsexchange.comDescription:Receive connector "Unauthenticated SMTP" rejected maxinboundconnectionpersource unlimited an incoming connection from IP address xxx.xxx.xxx.xxx. The maximum number of connections per source (20) for this connector has
Exchange 2013 Set-receiveconnector Maxinboundconnectionpersource
been reached by this source IP address. This means that you have a large number of connections coming from the same IP address. To prevent connections from being rejected, if this volume of http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=Exchange&ProdVer=8.0&EvtID=1021&EvtSrc=MSExchangeTransport connections is normal, you have to change the maximum number of connections per source. To check the current limit (20 by default), run the following cmdlet and look for MaxInboundConnectionPerSource:Get-ReceiveConnector
Mentions12 Products Neal (Exclaimer) Sales & Marketing Manager GROUP https://community.spiceworks.com/topic/393339-exchange-2010-error-1021-when-repairing-mailbox SPONSORED BY EXCLAIMER TECHNOLOGY IN THIS DISCUSSION Join the Community! https://jaapwesselius.com/2013/10/25/maximum-number-of-concurrent-connections-has-exceeded-a-limit/ Creating your account only takes a few minutes. Join Now Hey all im running Exchange 2010 (sp2 rollup update 6) and im in the process of migrating all of my mailboxes over to a new DB. One mailbox failed exchange 2010 to move over it gave the following error... Error: MapiExceptionCallFailed: Unable to synchronize manifest. (hr=0x80004005, ec=-1021) Diagnostic context: Lid: 55847 EMSMDBPOOL.EcPoolSessionDoRpc called [length=239] Lid: 43559 EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=711][latency=16] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropIncrCfg [112] Lid: 27962 exchange error 1021 ROP: ropUpldStStrmBegin [117] Lid: 27962 ROP: ropUpldStStrmEnd [119] Lid: 27962 ROP: ropUpldStStrmBegin [117] Lid: 27962 ROP: ropUpldStStrmEnd [119] Lid: 27962 ROP: ropUpldStStrmBegin [117] Lid: 27962 ROP: ropUpldStStrmEnd [119] Lid: 27962 ROP: ropUpldStStrmBegin [117] Lid: 27962 ROP: ropUpldStStrmEnd [119] Lid: 27962 ROP: ropFXSrcGetBufferEx [156] Lid: 17082 ROP Error: 0xFFFFFC03 Lid: 23137 Lid: 21921 StoreEc: 0xFFFFFC03 Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 1238 Remote Context Overflow Lid: 32865 Lid: 41897 StoreEc: 0x80040117 PropTag: 0x67A61014 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x668F0040 Lid: 32865 Lid: 41897 StoreEc: 0x80040117 PropTag: 0x67A61014 Lid: 13300 StoreEc: 0xFFFFFC03 Lid: 46077 dwParam: 0x813A1D Lid: 46121 StoreEc: 0xFFFFFC03 Lid: 36333 Lid: 44841 StoreEc: 0xFFFFFC03 Lid: 38697 StoreEc: 0xFFFFFC03 Lid: 50093
is running a web application and this web application is able to send SMTP messages, for example after a new user registration or a ‘forgot my password’ option that sends out a link for resetting a password. This application is not always able to send out messages, when it’s not able to the following error is logged on the web server: Service not available, closing transmission channel. The server response was: 4.3.2 The maximum number of concurrent connections has exceeded a limit, closing transmission channel. At the same time the following error is logged on the Exchange server: Log Name: Application Source: MSExchangeTransport Date: 25-10-2013 9:15:11 Event ID: 1021 Task Category: SmtpReceive Level: Warning Keywords: Classic User: N/A Computer: e2010-ht02 Description: Receive connector Relay for printers and applications rejected an incoming connection from IP address <