Why is Windows 7 creating duplicate network shares?

For the last several years, I have used one mapped drive on my computer (that allows me access to documents on the Server):  It is mapped as:  Document Server (\\Server1) (D:)

I noticed today, that when I went to open a Word document, I see several mapped drives:
    Document Server (\\Server1) (D:)
    Document Server (\\Server1) (E:)
    Document Server (\\Server1) (F:)
    Document Server (\\Server1) (G:)

I did not create a mapped drive for E, F, and G.  Can you explain why Windows 7 is creating them?

Thank you for your help!
Who is Participating?
Gopi RajuSystem AnalystCommented:
If you have shortcut(s) on your local machine or in your profile to a folder location that no longer exits on the share. When the system attempts to locate the (broken) shared folder location it maps the drive again.  Each time you attempt to open the (broken) shortcut or right-click on in to access its properties it will again map the drive to a new letter.
eemmpphAuthor Commented:
I understand.  Can I tell the computer not to check for broken links, since the server is up 99% of the time?
JohnBusiness Consultant (Owner)Commented:
On the computer, open cmd.exe and type:  net use t: /Delete for all drives t. Close the prompt. No drives now connected.

Set your script up as follows:

NET USE Z: /Delete
NET USE Z: \\Server\share

and repeat for all drive mappings.  This ensures refreshed mappings every time.
eemmpphAuthor Commented:
Thanks for your help!  I appreciate it.
JohnBusiness Consultant (Owner)Commented:
You are very welcome and I was happy to help.
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