Category archive
Published troubleshooting guides for infrastructure migration issues.
Fix Ansible Automation Controller still running jobs against the old execution environment after migration by checking job templates, organization defaults, credentials, and stale controller settings.
Fix a Zabbix agent still reporting to the old proxy after migration by checking agent config, active server settings, included config fragments, and stale automation.
Fix Apache Kafka Connect still writing to the old Schema Registry after migration by checking converter settings, worker config, connector overrides, and stale secret injection.
Fix an ESXi host still registered to the old vCenter after migration by checking host management targets, certificates, cluster membership, and stale automation or inventory records.
Fix a Grafana data source still pointing to the old monitoring stack after migration by checking data source URLs, provisioning files, folder permissions, and stale dashboard variables.
Fix Argo CD still deploying to the old Kubernetes cluster after cutover by checking cluster registrations, destination settings, project policy, and stale repo or app config.
Fix Terraform still using the old remote state backend after migration by checking backend config, workspace settings, cached init data, and stale CI variables.
Fix a Splunk Universal Forwarder still sending data to the old indexer after migration by checking outputs.conf, deployment apps, indexer groups, and stale certificate trust.
Fix a Fibre Channel host still attaching to the old SAN fabric after migration by checking zoning, HBA targets, alias updates, and stale multipath or switch configuration.
Fix a ServiceNow MID Server still connecting to the old instance after migration by checking config.xml, proxy settings, and stale credential or certificate trust.
Fix Veeam jobs still using the old backup proxy after migration by checking proxy assignment, transport modes, repositories, and stale job targeting policy.
Fix a Kubernetes admission webhook still sending requests to the old service after migration by checking webhook configurations, service references, CA bundles, and stale API server policy.
Fix SQL Server log shipping still sending backups to the old secondary after migration by checking primary jobs, monitor server settings, copy paths, and stale alerting metadata.
Fix Citrix StoreFront still brokering sessions through the old Delivery Controller after migration by checking store config, delivery groups, XML service bindings, and stale NetScaler integration.
Fix routes still flowing to the old transit after migration by checking BGP neighbors, route maps, local preference, and stale edge policy.
Fix Hyper-V Replica still sending changes to the old host after migration by checking replica brokers, certificate auth, replication policy, and stale failover settings.
Fix MFP scan-to-folder jobs still writing to the old share after migration by checking address books, SMB paths, credentials, and stale printer workflow settings.
Fix offline update scans still using the old WSUS or catalog source after migration by checking scan package URLs, task sequences, update scripts, and stale maintenance workflows.
Fix redirected folders still saving to the old file share after migration by checking GPO, offline files, DFS paths, and stale user profile policy.
Fix MDT deployments still using the old server after migration by checking boot images, deployment share rules, LiteTouch settings, and stale WinPE references.
Fix DFS clients still reaching the old file server after migration by checking namespace referrals, folder targets, AD replication, and stale site costing.
Fix FSLogix profiles still mounting from the old file share after migration by checking VHD locations, GPO settings, host pools, and stale profile path configuration.
Fix VMware Tools updates still using the old repository after migration by checking productLocker paths, host profiles, lifecycle settings, and stale ESXi configuration.
Fix flow telemetry still reaching the old collector after migration by checking exporter targets, sampling config, VRFs, and stale network monitoring templates.
Fix producers still publishing to the old Kafka cluster after migration by checking bootstrap servers, topic routing, client config, and stale service discovery.
Fix Remote Desktop clients still using the old RD Gateway after migration by checking RDP files, broker settings, DNS aliases, and stale gateway policy.
Fix Git LFS uploads still going to the old storage endpoint after migration by checking repository remotes, LFS API URLs, credential helpers, and stale client configuration.
Fix discovery data still flowing to the old CMDB collector after migration by checking scanner targets, MID or relay servers, credentials, and stale discovery job settings.
Fix SCCM clients still checking in with the old management point after migration by checking site assignment, boundary groups, client policy, and stale ConfigMgr configuration.
Fix outbound traffic still leaving through the old egress after migration by checking forward proxy upstreams, NAT paths, and stale outbound routing policy.
Fix clients still getting leases from the old DHCP server after migration by checking relay targets, helper addresses, scope ownership, and stale network configuration.
Fix print jobs still routing to the old printer after migration by checking queue ports, device mappings, driver assignments, and stale print server configuration.
Fix clients still using the old proxy after migration by checking PAC files, WPAD settings, browser policy, and stale proxy auto-config references.
Fix devices still sending SNMP traps to the old monitoring server after migration by checking trap receivers, community or v3 targets, and stale device templates.
Fix Windows clients still contacting the old WSUS server after migration by checking group policy, registry settings, client-side targeting, and stale update scan configuration.
Fix applications still requesting licenses from the old server after migration by checking license manager host settings, vendor daemon config, and stale client references.
Fix backup jobs still sending data to the old repository after migration by checking agent targets, backup policies, repository mappings, and stale protection settings.
Fix hosts still mounting storage from the old SAN after migration by checking iSCSI target portals, multipath settings, discovery records, and stale storage bindings.
Fix PXE boot still using the old TFTP server after migration by checking DHCP options, bootfile settings, IP helpers, and stale imaging infrastructure references.
Fix mesh traffic still reaching the old service after migration by checking virtual services, destination rules, sidecar config, and stale service discovery state.
Fix requests still reaching the old backend after migration by checking API gateway upstreams, route targets, service discovery, and stale proxy configuration.
Fix CI jobs still uploading artifacts to the old storage backend after migration by checking runner config, cache settings, artifact endpoints, and stale pipeline variables.
Fix clock drift and time sync failures after migration by checking NTP sources, chrony or Windows Time settings, DHCP options, and systems still using the old time server.
Fix traces missing from the new observability platform after migration by checking OpenTelemetry exporter endpoints, environment variables, collector config, and stale telemetry routing.
Fix applications still reading secrets from the old vault after migration by checking secret references, injected paths, service identities, and stale configuration sources.
Fix package install and publish failures after migration by checking registry URLs, scoped package settings, CI secrets, and clients still using the old artifact repository.
Fix applications still reading or writing through the old file server after migration by checking NFS mount targets, automount maps, fstab entries, and runtime mount state.
Fix Kubernetes deployments still pulling from the old registry after migration by checking image references, pull secrets, Helm values, and controllers still using the previous container source.
Fix missing security and application logs after migration by checking syslog forwarders, collector endpoints, transport settings, and agents still sending events to the old SIEM.