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Multi-Day Calendar invites show incorrect days

tshearon asked
Last Modified: 2014-09-13
We are running 2010 SP2 RU6. Multi-day meetings such as Monday, Wednesday and Friday show up as Sunday and Monday when sent to us by an outside Exchange environment. This cannot be replicated internally obviously. Time is correct and Time Zone settings on our DC's and Exchange are fine. Also I'd like to note we are using IronPorts with ESMTP as our smart hosts. Has anyone seen this before and have an answer? Thanks.
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David Johnson, CDSimple Geek from the '70s
Distinguished Expert 2019

It could be a problem from the outside.  You can open the attachment with notepad and check the details as it is text readable.


You mean outside as in the sending organization? If so that is not the case here. This happens regardless of who is sending to us as long as they send using Exchange server from their organization. I host an Exchange server at home as well. I have re-created this scenario. I create a repeating Monday, Wednesday, Friday meeting and when I receive it shows as Sunday and Monday. When I send to other Exchange organizations they receive it as it should be. I'm starting to think this has more to do with our IronPorts than Exchange.
This one is on us!
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We have updated our servers to SP3 RU5 to resolve the issue.
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