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Outlook 2013 / Lync Error : The user accounts in Outlook and Microsoft Lync do not match. Please make sure you are signed in to both applications with the same user name and privileges. [SOLVED]

This week I had to debug an error when some users tried to use the Lync Add-In in outlook 2013

 

Error:

The user accounts in Outlook and Microsoft Lync do not match. Please make sure you are signed in to both applications with the same user name and privileges.

De gebruikersaccounts in Outlook en Microsoft Lync komen niet overeen. Controleer of u bij beide toepassingen met dezelfde gebruiksnaam en bevoegdheden bent aangemeld.

 

 

Solution :

Checked DNS settings for autodiscover internal and external => all OK

 

Exchange gives : SIP:rvoogt@domain.nl => OK

 

Check Active directory trough Adsi edit :

Proxyaddresses gives : SIP:rvoogt@domain.nl => OK

 

 

Lync online gives:

Get-CsOnlineUser rvoogt | select proxyaddresses

SIP:rvoogt@domain.nl => OK

 

Outlook gives: rvoogt@domain.local => NOT OK !

 

First Update Global address list :

Get-GlobalAddressList | update-GlobalAdressList

Get-OfflineAddressBook | Update-OfflineAddressBook

Get-AddressList | update-AddressList

This gives an error :

WARNING: The recipient “Domain.LOCAL/Microsoft Exchange System Objects/Offline Address Book –

\/o=Domain\/cn=addrlists\/cn=oabs\/cn=Defaul” is invalid and couldn’t be updated.

 

This is commonly seen when an Exchange environment has been migrated from Exchange 2003. And it happens because the Alias names for the particular public folders have spaces in them (or a character that Exchange does not like).

 

Select the mail enables public folder in the OFFLINE ADDRESS BOOK

 

Klik OK

The Alias contains spaces and non common characters like / and =

 

Change the Alias to a name without spaces

The update is OK now

Outlook gives: rvoogt@domain.local => NOT OK !

 

Disable the Exchange Cached mode

After disabling the cached mode outlook delete the *.ost file in your selected location.

 

The SIP address is now correct !

 

 

Enable the Exchange Cached mode

Again the SIP address is NOT correct

 

Go to the Default Offline Address list Properties :

Disable the option “Enable Web-based distribution” and again Enable this option.

This setting does not go into effect immediately. If you want to force it to start working immediately, you need to perform these steps:

 

Update the Default Offline Address policy

Restart the “Microsoft Exchange File Distribution” Service

Performing this step will cause the CAS to download a copy of the OAB from the Mailbox server, see this post for more info on the Exchange File Distribution service.

 

The SIP address is ok now, with an *.ost file.

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