Event ID - 139

Event Id139
SourceWebproxyServer
DescriptionError 12201 A chained proxy server or array member requires proxy-to-proxy authentication. Please contact your server administrator.
Event Information"According to Microsoft

Cause:
This problem is caused by a regression in one of the security hotfixes in IIS.
Resolution:
IIS Version 5.0 on Microsoft Windows 2000 Server
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 :- How to Obtain the Latest Windows 2000 Service Pack
The English version of this fix should have the following file attributes or later:
STATUS
Microsoft has confirmed that this is a problem in Microsoft Internet Information Services 5.0. This problem was first corrected in Windows 2000 Service Pack 3."
Reference LinksEvent ID 139 of Source WebproxyServer

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.