not able to download addressbook

Lots of user of my org are getting the below error while downloading the OAB.

Task "Microsoft Exchange" reported an error (ox80190197) : The Operation failed

Steps that have been performed by me:-

Step 1: Manually download the Offline Address Book and then make sure that Cached Exchange Mode is enabled- did this step still getting error.

Step 2: Check that the Background Intelligence Transfer Service (BITS) service is running

Step 3: This issue occurs if the Outlook client computer is configured to use proxy settings when Windows Internet Explorer is used.- No proxy server has been mentioned.


Please advise.
LVL 1
Manish KumarSr. Technical ConsultantAsked:
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Simon Butler (Sembee)ConsultantCommented:
On the properties of the OAB virtual directory in ECP, check the URL is set correctly.
It should be https://host.example.com/oab - the host.example.com should resolve to your Exchange server correctly and be on the trusted SSL certificate.

Simon.
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Zacharia KurianAdministrator- Data Center & NetworkCommented:
Make sue the OAB is listed in the Mailbox Databases

please refer the link too;

https://support.microsoft.com/en-us/kb/939765/

Also, try disabling SSL for OAB as below;

oab.png
.

Zac.
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Simon Butler (Sembee)ConsultantCommented:
"This issue occurs if the Outlook client computer is configured to use proxy settings when Windows Internet Explorer is used.- No proxy server has been mentioned."

Can you clarify what that means?
Do you have a proxy server? If so, then you need to exclude the Exchange server from the proxy configuration so the client connects directly.

Simon.
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Manish KumarSr. Technical ConsultantAuthor Commented:
hi simon,

no proxy server is in the infrastructure.
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Manish KumarSr. Technical ConsultantAuthor Commented:
hi zach,

removing the SSL option, would lead to security breach and i can't do it from server.
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Zacharia KurianAdministrator- Data Center & NetworkCommented:
Could give a test so as to make sure you have no issues with your SSL in OAB?

Have you checked all the exchange services are running ? Have you checked all your events (warnings/errors) in your exchange?

Zac
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Md. MojahidCommented:
Open IE
go to tools > options
Connections tab

Check Lan Settings
Check if your ISA is listed in the proxy.
check the box - bypass proxy server for local address.

Restart the computer and see if outlook can download OAB
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