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A Quick one to Update the vCenter thumbprint in TCA and TKG after a vCenter certificate has been updated.
Symptoms- In Telco Cloud Automation (TCA) 2.X, all cluster, nodepool, and Network Function (NF) operations require a secure trust to...
simmisharma1212
Nov 12, 20233 min read
If you failed to delete workload cluster after VC reboot this is for you!!!
Description- TKG 2.3 Customer had a downtime for vCenter for security patching. Once that is done, it is observed that Clusters cannot be...
simmisharma1212
Oct 15, 20231 min read
Steps to Manually Renew the Cluster Certificates for Telco Cloud Automation 2.3
TCA 2.3 automatically handles the regeneration of the Kubernetes cluster certificates. Checking if Cluster Certificates are valid: Run...
simmisharma1212
Sep 17, 20233 min read


Catch on How to disable TKG telemetry Service
Symptoms When a TKG Management cluster is deployed, , participation in the VMware Customer Experience Improvement Program (CEIP) is...
simmisharma1212
Sep 2, 20233 min read


The migration from TCA 2.3 to 3.0 is stuck because the tca-app pods cannot start on the TCAM due to insufficient CPU
Symptoms- When performing migration from TCA 2.3 to 3.0 it gets stuck saying the tca-app pods cannot start on the TCAM due to...
simmisharma1212
Jun 21, 20231 min read


TCA deployment to 3.0- error Unable to reach TCA service from ingress. Please check the Status of the service by accessing the cluster.
Symptoms- We have recently deployed TCA 3.0 Version : 3. 0. 0 Build 22803370 and have observed that once the configuration of both TCA...
simmisharma1212
May 14, 20231 min read


Steps to delete a namespace which got stuck in the Terminating state
Have you ever been stuck in a situation when you were trying to delete a namespace but it was stuck in the Terminating state? Recently, I...
simmisharma1212
Feb 25, 20232 min read


CNF termination fails in TCA manager 2.1 with "Helm Termination failed- Internal server error
Symptoms: CNF termination was failing in TCA Manager with the following error message. Cause: the Kubernetes certificates expired on the...
simmisharma1212
Feb 1, 20231 min read
Changing password of TCA-CP needs changing password for mgmt domain as well
I had faced a situation where after changing TCA CP password and updated in compute CP as well started showing error while creating...
simmisharma1212
Jan 6, 20231 min read
Upgrading VM to kernel linux-rt-XXXXX.ph3 from TCA, and Faced error: "JSNOPATH["repopath"] not found
One of our Partners were upgrading VM to kernel linux-rt-4.19.198-21.ph3 from TCA, and are getting below error: "JSNOPATH["repopath"] not...
simmisharma1212
Dec 17, 20221 min read
Persistent Volume for CNF deployed over multiple vSphere Clusters
Problem Description- CNF could be deployed under multiple vSphere Clusters due to scaling or design implementation. If CNF is requiring...
simmisharma1212
Nov 19, 20221 min read


CNF instantiation failed with "Pre Interface Script execution failed" error? Here is the solution.
Symptoms- "Pre Interface Script execution failed" for failed CNF instantiation and showing below shown error; Steps for resolution- 1. If...
simmisharma1212
Nov 18, 20221 min read


Response.accessinfo.password ***** requires password error while On-boarding VNF via TCA S-VNFM
Symptoms- Error encountered while On-boarding VNF via Telco cloud automation (TCA) 2.1 with CBAM as partner system. Pre-requisites-...
simmisharma1212
Nov 16, 20221 min read


Unable to launch TCA GUI; API server supporting this page may be temporarily down,Please reload page
Symptoms- While trying to lauch the Telco cloud automation GUI it says API server supporting this page may be temporarily down,Please...
simmisharma1212
Oct 27, 20221 min read
Late binding Memory Problem in TCA 2.1
Iussue- During customization, the VMConfig plug-in tries to fit the virtual machines to the correct NUMA nodes of the ESXi server based...
simmisharma1212
Oct 14, 20222 min read
Process to generate certificate for Telco Cloud Automation
A CSR is required for each TCA Component (TCA manager and control planes) and the same generated certificates can be used for both...
simmisharma1212
Oct 7, 20221 min read
Delete namespace in TCA Kubernetes cluster stuck in a terminating state?
Use the command below without any changes. it will work like a charm. NS=`kubectl get ns |grep Terminating | awk 'NR==1 {print $1}'` &&...
simmisharma1212
Sep 9, 20221 min read


Insufficient compute/storage resources Error message while on-boarding the VNF via TCA 2.1
Symptoms- While On-boarding VNF with Nokia VNF manager i.e CBAM rather than regular TCA’s generic VNF manager on TCA 2.1 GUI, you may...
simmisharma1212
Aug 5, 20221 min read
In TCA 2.1->helm-service stuck in activating state?
While instantiating CNF, helm-service stuck in activating state? There are 2 Workarounds- Either remove stale entry from mongo from...
simmisharma1212
Jul 22, 20221 min read


Have only 2 ESXI hosts and wants to configure vSAN- here you go
You have Only with 2 ESXI hosts and wants to configure shared storage via vSAN, it was not possible when vSAN was released a two-node...
simmisharma1212
Jul 1, 20222 min read
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