Outlook continues to request password

[torszula]

We are using Outlook 2010 with an Exchange 2010 server. Users connect to the Exchange server with the Outlook client but then Outlook continues to request their password again.

 

[Irene]

My searches revealed the following:
Exchange/Outlook 2010 always password request - Petri IT Knowledgebase Forums

How to use Network Monitor to capture network traffic

I hope one of them helps to solve your problem.