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email backed up in Submission Queue “mailbox database thread limit exceeded”

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Issues: email is backing up in the Exchange Submission Queue and the following errors are displayed in Queue Viewer: 432 4.3.2 storedriver component has been retired 432 4.3.2 STOREDRV.Deliver; mailbox database thread limit exceeded Processor is also pegged at 100% or close to it on the hub transport server Potential causes of this issue for others but were not the cause in my cause: -exceeded mailbox size quotas on the database, especially a journal mailbox / database -under-powered Hub Read more [...]

How to allow outside senders on a set of Distribution Groups

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Issue:  You need to allow mail from outside senders to all or a large set of Distribution Groups using the Exchange Management Shell rather than modifying each group one by one using the GUI Exchange Admin Center or Management Console. Solution: Use Management Shell commands to search for any distribution groups or dynamic distribution groups that match a phrase and modify the Outside Senders setting. Note: you will need to specify your group name you want to search for followed by a "*" Read more [...]

Error “IIS 6 WMI Compatibility” installing Exchange 2010 SP3

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Issue: While installing Exchange 2010 SP3 you get the error "IIS 6 WMI Compatibility component is required" Cause: Exchange 2010 SP3 requires additional IIS pre-requisites that were not required by previous versions of Exchange 2010.  Note: if this is a new Exchange 2010 installation make sure you install all of the Exchange 2010 pre-requisites. Solution: Add the IIS 6 WMI Compatibility role feature 1) open Server Manager 2) click Roles > scroll down to "Web Server (IIS)" > click Read more [...]

Error: “reboot from a previous installation is pending” during Exchange install

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Issue: Error “A reboot from a previous installation is pending” during readiness checks when installing Exchange 2010, Exchange 2013, Exchange Service Packs or Cumulative Updates. Cause: Certain indicators are getting flagged as a pending installation, this could be caused by data in the PendingFileRenameOperations registry key or in some cases printers being pushed out to the server through GPO. Solution (applicable to Exchange 2010 and Exchange 2013): A) Reboot the server and attempt Read more [...]

Download the latest version of Exchange 2013

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The latest version of Exchange 2013 is currently 2013 CU15, also known as Cumulative Update 21, the next and final release being CU22 which will likely come out next quarter. You can install Exchange 2013 directly from the CU15 media, which is much better than installing the base RTM and then subsequently upgrading to Exchange 2013 CU15 on top of that. Here is a link to download 2013 CU21 from Microsoft. If this is a new install, make sure you have installed and configured the Exchange Read more [...]