Re: Authentication issue

"Eric J." <bt_hirosaito@xxxxxx> wrote in
news:1165825949.593858.225240@xxxxxxxxxxxxxxxxxxxxxxxxxxxx:

Hello,

today i had the following problem:

I set up some switches at a new site and so i decided to choose another
radius-key as our usual. And i took one with 14 characters.
Now i see that the authentication works most of the time, but sometimes
i got the error message that radius-key is wrong:

An Access-Request message was received from RADIUS client NewSiteSwitch
with a message authenticator attribute that is not valid.

Is there any issue that IAS got problems with handling long or complex
radius keys ?
I just figured out that there can be problems with an ! at the end of
the radius key.

Thanks in advance

Eric


The shared secret can be up to 64 characters, so that shouldn't be a
problem.

Please see the Help topic "Shared secrets" for the characters allowed and
other information, on the box or on the Web at
http://technet2.microsoft.com/WindowsServer/en/library/f9058614-8361-496e-
ac38-b7152de2d1c61033.mspx

(NOTE: the Help topic says "You can use a shared secret of up to 128
characters in length," but this is a typo -- the actual value is 64
characters.)

Another related topic is Message Authenticator attribute:
http://technet2.microsoft.com/WindowsServer/en/library/465c2da9-d0d0-4ba8-
a2ff-1c9e50db84ce1033.mspx

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James McIllece, Microsoft

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This posting is provided "AS IS" with no warranties, and confers no rights.
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