Exchange 2010 - Outlook 2010: The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action
![How Do I Manually Connect Microsoft Outlook 2010/2013 To My Exchange 2007/ 2010/2013 Server? - myVDH How Do I Manually Connect Microsoft Outlook 2010/2013 To My Exchange 2007/ 2010/2013 Server? - myVDH](http://www.myvdh.com/uploads/1/1/2/8/11281190/8379489_orig.jpg)
How Do I Manually Connect Microsoft Outlook 2010/2013 To My Exchange 2007/ 2010/2013 Server? - myVDH
![Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn](https://learn.microsoft.com/en-us/exchange/troubleshoot/exchangeserver/client-connectivity/media/outlook-connection-issue-caused-by-rpc-encryption-requirement/exchange-encryption.png)
Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn
![The EXPTA {blog}: How to Configure Fast Cached Exchange Mode Settings for Outlook 2010 and Outlook 2013 Using Group Policy The EXPTA {blog}: How to Configure Fast Cached Exchange Mode Settings for Outlook 2010 and Outlook 2013 Using Group Policy](https://2.bp.blogspot.com/_IsItvsG4t0k/TMvTRNlZeOI/AAAAAAAAF3c/nE8KaV106tY/s1600/CachedExchangeMode.png)