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Outlook 2007 Distribution Group Error

We just upgraded from 2003 to 2007.  We have over 50 accounts and are using
exchange 2007 and only one person seems to be having this issue so far.

It is only with meeting requests, not emails.  After you have entered all
information, and click send, an error is displayed and the To line is full of
semi colons and the names have dissappeared.  the error appears in the event
log as source Outlook event number 25 but no information can be found related
to this error.  "Could not complete the operation. One or more parameter
values are not valid."

I have tried recreating the group, creating new groups with different names,
diagnostics on Office 2007 and nothing seems to fix it.
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1 Solution
Hello Crossroads305,

If only one user is having the problem, the user's Outlook profile is likely corrupt.    Create a new Outlook profile.

Hope this helps!
Crossroads305Author Commented:
i tried this already and it did not solve the issue.
Crossroads305Author Commented:
any other suggestions?
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If the user goes to another computer, will his profile work?  If so, something is wrong with Outlook in the original computer.
Crossroads305Author Commented:
yes, it works from another station, but i have already tried to reinstall microsoft. and do a fix on it. any other suggestions?
Joanne M. OrzechManager, Document Services CenterCommented:
Run Office diagnostics from the Help menu?
Crossroads305Author Commented:
yes that has been done. it does not resolve any of the issues. it is basically happening with the Global Address List. I have added all of the GAL to her contacts list as a temp. fix, but i would like to resolve the issue completely for the user without just a fix.
Jeffrey CoachmanCommented:

As far as I can determine from the previous posts, this is a Machine specific issue.

1. Make sure this machine has the same:
Office 2007 version
Service Pack level (office 2007 SP2 is now available)
Hot fixes installed
*Windows* Updates and service Packs installed
...as the other machines.

(I will presume here that you do not have any office 2003 components installed)

3. Do a full virus scan

2. <i have already tried to reinstall microsoft>
Don't just reinstall.
*Completely uninstall* MS Office 2007 from the computer.
Completely re-install Office 2007, making sure you do a Full Install.

If this does not work, then i see no other alternative than to contact MS Directly.

Crossroads305Author Commented:
thank you, but i have already tried to completely uninstall ms office 2007 from her pc. any other solution?
Joanne M. OrzechManager, Document Services CenterCommented:
Here are two other suggestions I found regarding the exact same problem:

1.  I believe this happens to 2003/2007 Ms Outlook users who are using exchange
2007. I had one user who's distribution list keeps changing to ;;;;;;;;;;.
This may happen if your default data folder resides locally meaning that you
are downloading all the e-mails to a *.pst file. The way I overcame this
problem was to change the default data folder to a *.ost file. an *.ost file
has the word [Mailbox -username] infront of them. Once I changed the default
data folder to reside on the exchange the dissappearing problem dissappeared.
By right this should not happen...we'll wait for Micrsofts patches in the
mean while you can use the above solution.

2.  In Office 2007, I started the mlcfg32.cpl by doubleclicking the file.
You can find this file in the  c:\program files\Microsoft office\office12
Then you click on the button view profiles.
Now you can create a new profile and set the option to start Outlook with
that profile as the standard profile. If the user had added any mailboxes or
personal folders, you have to add them again, because all the personal
settings are gone. the settings for delegation are saved on the exchange
server, so they will still work.

Joanne M. OrzechManager, Document Services CenterCommented:
Great!  Thank you.

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