Here is another issue I encountered during my Exchange 2016 migration. A hand full of users have been getting knocked out of public folders with an Event ID 9646 and they have exceed the max of 32 session objects. What the hell does that mean? Why only a few users?
Investigating Event 9646
The Monday after I migrated public folders to Microsoft’s new “Modern Public Folders” a hand full of users began calling me they were unable to access them. Their specific error was:
“Cannot expand the folder. Your server administrator has limited the number of items you can open simultaneously. Try closing messages you have opened or removing attachments and images from unsent messages you are composing.”
Continue reading “Exchange 2016- EVENT ID 9646 – MoMT exceeded the maximum of 32 objects of type Session”
If you have been following my blog, I recently migrated my Exchange 2010 server to a new 2016 server. There have been a few hiccups along the way however for the most part the experience has been good and user disruption minimal, until I encountered Event ID 15021.
Last night during a maintenance window I applied my Microsoft updates and rebooted the server. Shortly after reboot I attempted to open Outlook and it failed with a server unavailable error. OWA and ECP both showed BLANK white screens. I began to panic a little because this is probably the IT guys worst nightmare! Working in the industry for over 20 years I put my panic aside and began my standard troubleshooting procedure.
STEP 1 – Event logs are your friend
Continue reading “Exchange 2016 – EVENT ID 15021- Blank ECP / OWA & Error connecting to Outlook”
If you have ever taken the time to read my blog you would probably know by now that I am the IT director for a mid sized accounting firm in NJ. One project on my docket this year is to migrate from Exchange 2010 to Exchange 2016. This post is just going to be a basic log of what I encountered during my install. If you take the time to read this maybe you can find a useful tip to aid in your migration woes.
Having a small shop and wearing a lot of hats here in the office tends to create a slew of challenges. Most of the time I have a ton of projects brewing so focusing on one can be difficult at times. My migration to a new Exchange 2016 server will be gradual taking about 2 to 3 weeks to complete. During the initial setup I like to let certain steps “stew” overnight to make sure there are no disruptions. I also like to be sure I have a contingency plan to undo any unforeseen issues.
Is your directory active enough?
Continue reading “My Experience Migrating to Exchange 2016”