About this Document


This document provides installation instructions for CTIOS12.6(1) ES2. It also contains a list of CTIOS issues resolved by this engineering special. Review all installation information before installing the product. Failure to install this engineering special as described can result in inconsistent CTIOS behavior.

This document contains these sections:

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About Cisco CTIOS (and CTIOS Engineering Specials)


CTIOS Server 12.6(1) ES2 is a mandatory ES for customers installing CTIOS Server 12.6(1) on Windows Server 2019. This ES2 is applicable only for CTIOS Server 12.6(1) installed on Windows Server 2019 and this ES2 is not applicable for CTIOS Client.

CTIOS Compatibility and Support Specifications


CTIOS Version Support

CTIOS Component Support

This section lists the CTIOS components on which you can and cannot install this engineering special.

Supported CTIOS Components

You can install CTIOS12.6(1) ES2 on these CTIOS components:

·      CTIOS Server

Unsupported CTIOS Components

Do not install this engineering special on any components other then the following:

·      CTIOS Server

CTIOS Engineering Special Installation Planning


Installing CTIOS12.6(1) ES2


 

Launch the installer provided for ES2 and follow the on screen instructions.

Uninstall Directions for CTIOS12.6(1) ES2


  1. To uninstall this patch, go to Control Panel.
  2. Select "Add or Remove Programs".
  3. Find the installed patch in the list and select "Remove".

Note: Remove patches in the reverse order of their installation. For example, if you installed patches 3, then 5, then 10 for a product, you must uninstall patches 10, 5, and 3, in that order, to remove the patches from that product.
ES2 is mandatory ES for CTIOS Server 12.6(1) on Windows Server 2019 platform. Post Un-install of CTIOS 12.6(1) ES6, certain CTIOS functionalities will not work as expected on Windows Server 2019 platform.

Resolved Caveats in this Engineering Special


This section provides a list of significant CTIOS defects resolved by this engineering special. It contains these subsections:


Note: You can view more information on and track individual CTIOS defects using the Cisco Bug Search tool, located at: https://bst.cloudapps.cisco.com/bugsearch/search?null.


Resolved Caveats in CTIOS12.6(1) ES2

This section lists caveats specifically resolved by CTIOS12.6(1) ES2.

Index of Resolved Caveats

Caveats in this section are ordered by CTIOS component, severity, and then identifier.

Identifier

Severity

Component

Headline

 

 

 

 

 NA

Detailed list of Resolved Caveats in This Engineering Special

NA


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Obtaining Technical Assistance


Cisco.com is a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC site.

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Technical Assistance Center

The Cisco TAC site is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.

Contacting TAC by Using the Cisco TAC Site

If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to https://www.cisco.com/c/en/us/support/index.html.

P3 and P4 level problems are defined as follows:

In each of the above cases, use the Cisco TAC site to quickly find answers to your questions.

If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following site: https://mycase.cloudapps.cisco.com/create/start/

CContacting TAC by Telephone

If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following sites:

P1 and P2 level problems are defined as follows: