troubleshooting Question

Poor performance/connectivity issues when accessing multiple mailboxes in Outlook 2010

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PeterHalaFlag for United Kingdom of Great Britain and Northern Ireland asked on
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Hi all,

We have a user who is experiencing both performance (Not Responding) and connectivity (Unable to connect Microsoft Exchange Server) issues with Outlook 2010. We are currently running an on-prem Exchange Server 2013 (CU9).

The client is configured with a single email account (linked to their domain account) with Full Access rights over a number (6/7) of other user (not shared) mailboxes that also appear in Outlook; these other mailboxes are the personal mailboxes of other members of the department. The user is also using a folder in Public Folders as an archive (although we do have archive folders enabled).

Throughout the day Outlook stops sending and receiving messages. The user can see that messages are coming in via Outlook Web App however it's not practical for them to access the mailboxes in this way; messages need to be moved between mailboxes.

This user also hot-desks between two locations, but has the same problem when only using one of the machines (confirmed after using only one machine for 3 weeks). We have recently replaced both machines (as part of a planned upgrade) so PC performance should be ruled out as a cause.

A separate issue means that a small number of these Public Folders are unavailable - each of these folders appears to be on a different mailbox (Mailbox2 rather than Mailbox1). Unfortunately we have been unable to make these accessible via OWA, as adding them to Favourites requires the user to have access in the client first.

Does anyone have any advice?

Regards,

Joseph
ASKER CERTIFIED SOLUTION
Emmanuel Adebayo
Global Windows Infrastructure Engineer - Consultant

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