This is caused by when Outlook tries several variants of autodiscover requests when establishing a connection. This can be solved by excluding time-consuming autodiscover lookups on client side.

The following 2 registry keys can be implemented to get around this behaviour :

Setting this key solved all issues we had users experiencing a delayed calendar content display in Outlook.

Please make sure to use the appropriate path for your Office version when navigating through the registry.

Office Versions :
2010 = 14.0
2013 = 15.0
2016 = 16.0

When setting up a new profile in Outlook and autodiscover takes ages please take a look at :

Outlook autodiscover takes a very long time

The post Delayed calendar content display Outlook appeared first on Webbanshee.

This can be solved by implementing the following 2 registry keys on the PC running the Outlook client. ( Outlook should be closed )

Please choose the appropriate Office version when navigating down the registry path. ( this example is for Office 2013 = 15.0 ) :

Office Versions :
2010 = 14.0
2013 = 15.0
2016 = 16.0

The annoyance that autodiscover takes long time will be gone with these registry entries.

The post Autodiscover takes long time Outlook appeared first on Webbanshee.