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outlook 2010 cannot download GAL (unknown error 0x8007007A)

ITdiamond
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Hello all,

I'm having a really tough time getting the Global Address List from our Exchange 2007 server to download on some Windows 7 64bit Professional laptops which have Office 2010 32-bit installed.  The laptops are configured with Cached mode and RPC over HTTPs (Outlook Anywhere) because it makes good sense for a laptop to be configured this way (can still read e-mail with a slow wifi or no connection).

The GAL works fine on a system that is hardwired into the network without Cached mode enabled, and a direct connection to Exchange (no Outlook Anywhere setup).  In fact on these laptops the GAL works fine the first time the Outlook profile is setup.  Once you close outlook and restart it after the mailbox is fully sync'd, the GAL is gone.  Another side effect is when replying to email that goes outside of the organization.  Sometimes Outlook will create a pop up dialog that says "The operation failed.  The messaging interfaces have returned an unknown error. If the problem persists, restart Outlook. Cannot resolve recipient."  I had this issue and I ended up having to save it as a draft, then logging into OWA and noticed it was saved with SMTP= in front of each address.  I was able to remove that and send the email through OWA in Internet Explorer just fine.  In Outlook 2010 it can send email fine internally and to anyone external that is already in my personal contact list.

I'm not really sure what the problem is here, but it seems isolated to Outlook 2010 clients with Cached mode and RPC over HTTPs.
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Author

Commented:
I found if I disable "Cached Mode" the Global address list is present and I can send emails to external sources.

However I noticed that in one of my outgoing email drafts, Outlook appended =SMTP: in front of each e-mail address in the To and CC fields.  I could not simply remove this either because it would delete the entire name.  I had to copy and paste into notepad, then highlight and delete the =SMTP: part in front of each address.  If I don't do that, I get a bounce back from Exchange like this:
The format of the recipient's e-mail address isn't valid. A valid address looks like this: username@contoso.com. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try sending the message again, or provide the following diagnostic text to your system administrator.

Outlook seems to work fine WITHOUT cached mode, but with cached mode on that's when I run into problems (no global address book, inability to send email outside of the organization).  But I want the benefits of cached mode on a roaming laptop.

Commented:
Hello,

The problem here is that  OAB cannot be saved locally on the PC.
It can be incorrect path, no permissions, antivirus, access deny…
Try with %temp%
Set this setting and try again
REG SZ: SpecifyOfflineAddressBookPath
Key: HKCU\Software\Policies\Microsoft\Office\14.0\Outlook
Values: %temp%
A string representing the path in which to store the OAB
%temp%

Author

Commented:
Hi cmexypko,

I really wish that was the case, but it still did not work.  I am a local admin too but I tried it anyway.  I don't see an OAB going into the %temp% folder.  It just errors out as in the attached screenshot.
erroe.PNG

Commented:
Hello,

If the path of the OAB is OK than the OST Path is wrong.

Do you have configured the path to the .ost-file and the offline address book in Office Customization Tool?
Check please the PRF / MST configuration files.

Author

Commented:
no i never configured anything in Office Customization Tool.  Outlook automatically sets itself up, I assume from the autoconfigure DNS entry.

I still cannot get the address book to download with cached mode.  Also some external mail fails.  For now I just disable cache mode.  But on a laptop I'd rather like to have the benefits of cache mode.

Author

Commented:
I just installed Exchange 2007 Update Rollup 7 and I still have the same problem.

When trying to download address book with full details:
Task reported error (0x8007007A) : 'Unknown Error 0x8007007A'

Really?  Unknown error?  If the error is unknown how do we know its even an error to begin with?  If a tree fell in the forest and no one was around to hear it, does it make a sound?  (Same mantra....)
After updating all the patches for office current through the May 8 2012 patch Tuesday updates, I deleted my profile and recreated it.

Noticing that once fully updated in cached mode yes I finally had a global address list.
Rebooted and it went away.
Next I was able to go to our ScriptLogic Desktop Authority 8.1.2.7 console and in the Outlook profiles setup I EXCLUDED my computer name from applying a Outlook profile.
I deleted and recreated the profile again myself.
GAL was there, great. Rebooted.  GAL was still there, so issue resolved!

Author

Commented:
Because it resolved my issue completely.