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IAS - Event 5050

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IAS - Event 5050 - 3.May2006 6:04:03 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi,

I am trying to figure out what causes the following event log entrys ..... but so far no luck :-(

Event Type: Information
Event Source: IAS
Event Category: None
Event ID: 5050
Date:  3/05/2006
Time:  3:12:56 p.m.
User:  N/A
Computer: ISA01
Description:
The description for Event ID ( 5050 ) in Source ( IAS ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event

The machine is running Windows 2003 SP1 (all hotfixes are installed) and ISA 2004 SP2. It is used as Firewall and Webproxy server.

Any suggestions?

Cheers,
Christoph
Post #: 1
RE: IAS - Event 5050 - 3.May2006 2:37:03 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Christoph,

Is IAS installed on the ISA firewall?

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to chamann)
Post #: 2
RE: IAS - Event 5050 - 4.May2006 12:01:24 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi Tom!

No, IAS is not installed on the server.

The machine was member of the domain, put out of the domain, ISA was installed on it and after that we decided to rejoin the machine to the domain :-)

While the machine was not a member of the domain radius was used for authentication but it is no longer used. I turned it of as I am now using AD groups. The Radius server is still defined under "Define radius server".

This error is odd - I found nothing in the MS support database and other people having the error and posted it to newsgroups got no answers :-( 

Cheers,
Christoph


(in reply to tshinder)
Post #: 3
RE: IAS - Event 5050 - 4.May2006 8:14:36 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Chistoph,

OK, what server?

You only mentioned the ISA firewall, so I assumed that IAS was installed on the firewall.

So there is an IAS server on another machine on the network? Is the firewall configured to use IAS or are there still IAS entries in the firewall configuration?

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to chamann)
Post #: 4
RE: IAS - Event 5050 - 5.May2006 1:33:45 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi Tom!

The IAS was (and still is) running on a server in the "inside" network - IAS was never installed on the machine running ISA server. IAS was used for authentication when the machine was not part of the domain. The firewall is now part of the domain and is using AD groups for authentication. So technically speaking the ISA was only a "IAS client"

Do you think that the error (maybe) occurs because I left the radius server's IP address under "define radius server"?

Cheers,
Christoph

(in reply to tshinder)
Post #: 5
RE: IAS - Event 5050 - 7.May2006 7:03:44 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Chistoph,

Could be. Try removing the entry for the RADIUS server and see what happens.

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to chamann)
Post #: 6
RE: IAS - Event 5050 - 8.May2006 6:27:44 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi Tom,

just tried it (removed the RADIUS server entry) but no luck - the error is still occurring :-(

Cheers,
Christoph

(in reply to tshinder)
Post #: 7
RE: IAS - Event 5050 - 15.May2006 3:27:30 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi Tom!

Just an update - the error disappeared but I have no idea why (nothing was changed on the ISA server ...)

Cheers,
Christoph

(in reply to chamann)
Post #: 8
RE: IAS - Event 5050 - 15.May2006 3:57:12 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Chistoph,

Ha! Must be magic

Let us know if it shows up again.

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to chamann)
Post #: 9
RE: IAS - Event 5050 - 16.May2006 2:05:25 AM   
chamann

 

Posts: 12
Joined: 3.May2006
From: New Zealand
Status: offline
Hi,

you asked for it - here it is :-) The error is back - no idea why ....

Cheers,
Christoph

(in reply to tshinder)
Post #: 10
RE: IAS - Event 5050 - 21.May2006 6:17:30 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Chrisoph,

ACK! Well, I'd say its a bug or something. If everything else is working, I'd ignore it.

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to chamann)
Post #: 11
RE: IAS - Event 5050 - 26.Jul.2009 7:18:22 AM   
Nov

 

Posts: 35
Joined: 24.Jul.2009
Status: offline
I know i'm a digger, but disabling user mapping helped me solve this problem. At least this event is showing up in event viewer for about 5 hours

< Message edited by Nov -- 26.Jul.2009 7:21:59 AM >

(in reply to tshinder)
Post #: 12
RE: IAS - Event 5050 - 26.Jul.2009 12:20:05 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Ah, that might have been it.

Yes, if you're not using RADIUS, then user mapping isn't required.

Thanks for the followup!

Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to Nov)
Post #: 13

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