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Cisco Bug: CSCus89729 - Failed to initialize connection subsystem Win 8.1 - 02-10-15 MS patch

Last Modified

Mar 02, 2018

Products (1)

  • Cisco AnyConnect Secure Mobility Client

Known Affected Releases

3.1(0) 4.0(51)

Description (partial)

AnyConnect users on Windows 8.1 will receive a ''Failed to initialize connection
subsystem'' error after installing the Windows 8.1 02/10/15 security patch.

AnyConnect (All Versions)
Windows 8.1 (02/10/15 Security patch)

Related Community Discussions

Latest Microsoft Feb. 2015 patch breaks AnyConnect SMC
Hi all,   I just wanted to give the community a heads up in regards to the latest February 2015 Microsoft patches.KB3023607 makes some AnyConnect clients give the "Failed to initialize connection subsystem" error.  You can fix this here:   Also updated in the article: This issue was introduced by KB# 3023607: Secure Channel cumulative update changes TLS protocol renegotiation and fallback behavior ( ...
Latest activity: Feb 18, 2015
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