Chris Pollitt
Exchange Online: Looping through large numbers of objects, a PowerShell example
Sometimes it is necessary to run a command against a large number of objects. The simplest way to...
Date: 01/29/2018
External users cannot open encrypted messages
When an external user tries to view the contents of an encrypted message from your organization they...
Date: 11/30/2017
Messaging Records Management & confusion with Litigation Hold
Many customers I speak with are confused by the terminology used with Messaging Records Management...
Date: 09/11/2017
Testing Impersonation Permission with EWS Editor
A question that comes up occasionally with support is whether Impersonation is broken within...
Date: 02/01/2017
Divide Discovery and In-Place hold searches into smaller units
This blog has been in the works for longer than I would like to admit :). Since starting a few...
Date: 08/31/2014
How to run SDP on a computer that cannot connect to the Internet
In support we frequently ask that customers run the Support Diagnostics Platform so we can collect a...
Date: 02/12/2013
12800 Event solutions
12800 events indicate you are running out of memory. For example: Event Type: Error Event Source:...
Date: 03/14/2012
Dumping Cluster logs in response to an event
Recently I was working with a customer that experienced database moves in their DAG. The "failovers"...
Date: 02/29/2012
OWAEnabled filter returns unexpected results
I recently had a customer that was running: get-casmailbox -filter {OWAEnabled -eq $false} In the...
Date: 09/30/2011
How high item counts can influence 623 events
In my earlier blog about 623 events I mentioned there are a great many possible causes. Twice in the...
Date: 08/31/2011
Misadventures with Installing Windows 2008 R2
Normally I work almost exclusively with Exchange as that is the product I am involved in supporting....
Date: 07/10/2011
One cause of RPC latency
There are numerous articles on the topic of RPC latency on the server and the RPC Dialog box...
Date: 05/09/2011
Determining the proper App pool for Exchange dump collection
At times we may need to collect memory dumps of a specific Exchange process for troubleshooting. For...
Date: 05/02/2011
Problem creating a rolegroup from a child domain?
If you are having trouble running New-RoleGroup from a child domain on Exchange 2010 you have two...
Date: 03/31/2011
Virtual Allocation vs. Physical Allocations
This is a question that comes up pretty frequently in Exchange 2003 in relation to 9582 events that...
Date: 03/29/2011
Page Churn in Exchange
Recently I encountered a case where the customer's goal was to measure page churn in an Exchange...
Date: 03/08/2011