Event ID 12306 FSRM SMTP cannot send email
File Server Resource Manager - SMTP cannot send email to Exchange Server 2010
Problem:
Event ID: 12306
Event Source: SRMSVC
Event Viewer Application logs:
A File Server Resource Manager Service email action could not be run.
Error-specific details:
Error:
IFsrmEmailExternal::SendMail, 0x8004531c, Mailbox unavailable. The
server response was: 5.7.1 Client does not have permissions to send as
this sender.
Solution:
As
of WS08 R2, FSRM attempts to authenticate against an Exchange Server
using the computer account (domain\computername$ format) account of the
server. This computer account must be granted send as permissions on
the mailbox that you are trying to send as, or it will fail with this
error (where the same configuration will work on WS03 R2 without
failing, assuming your receive connectors are already configured
correctly).
I ran the following Powershell command on my Exchange 2010 server to grant the necessary permissions on the mailbox I was trying to send as, after which it began working:
Add-ADPermission -Identity "Mailbox Display Name" -user "Domain\ServerName$" -extendedrights "Send-as"
You can also substitute by using a domain group that contains the server computer accounts you want to allow.
I ran the following Powershell command on my Exchange 2010 server to grant the necessary permissions on the mailbox I was trying to send as, after which it began working:
Add-ADPermission -Identity "Mailbox Display Name" -user "Domain\ServerName$" -extendedrights "Send-as"
You can also substitute by using a domain group that contains the server computer accounts you want to allow.
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