https://www.proitnw.com/blog/ Microsoft, VMware and identity deadlines, explained. en-us Sat, 26 Sep 2026 00:00:00 GMT https://www.proitnw.com/blog/backup-exec-end-of-support-april-2029/ https://www.proitnw.com/blog/backup-exec-end-of-support-april-2029/ Sat, 26 Sep 2026 00:00:00 GMT Backup Exec end of life: Arctera's documentation sets April 29, 2029 as the outer limit for support. What it says, and how to plan around it. https://www.proitnw.com/blog/is-entra-id-governance-included-in-e5/ https://www.proitnw.com/blog/is-entra-id-governance-included-in-e5/ Sat, 26 Sep 2026 00:00:00 GMT Microsoft 365 E5 includes Entra ID P2 — PIM, access reviews, entitlement management. It does not include Entra ID Governance. Here's what's missing. https://www.proitnw.com/blog/aws-region-data-loss-redundancy-is-not-backup/ https://www.proitnw.com/blog/aws-region-data-loss-redundancy-is-not-backup/ Fri, 18 Sep 2026 00:00:00 GMT On September 15, 2026, AWS said it can't restore data hosted only in its Bahrain Region or one UAE Availability Zone. Why redundancy isn't a backup. https://www.proitnw.com/blog/kb5124008-domain-trust-machine-identity-isolation/ https://www.proitnw.com/blog/kb5124008-domain-trust-machine-identity-isolation/ Fri, 18 Sep 2026 00:00:00 GMT KB5124008 makes Windows honor previously configured Machine Identity Isolation settings. Below Server 2025 DFL, Credential Guard devices can lose domain trust. https://www.proitnw.com/blog/microsoft-365-backup-what-microsoft-covers/ https://www.proitnw.com/blog/microsoft-365-backup-what-microsoft-covers/ Fri, 18 Sep 2026 00:00:00 GMT Microsoft explains data resiliency and shared responsibility — plus what Microsoft 365 Backup covers, costs, and when a third-party tool fits better. https://www.proitnw.com/blog/untested-backups-restore-testing-regulated/ https://www.proitnw.com/blog/untested-backups-restore-testing-regulated/ Fri, 18 Sep 2026 00:00:00 GMT HIPAA's contingency plan standard requires a backup, disaster recovery, and emergency mode plan. Testing is addressable; CIS makes it quarterly and measurable. https://www.proitnw.com/blog/remote-desktop-services-kb5124008-september-2026/ https://www.proitnw.com/blog/remote-desktop-services-kb5124008-september-2026/ Sun, 13 Sep 2026 00:00:00 GMT Microsoft's September update could destabilize Remote Desktop Services. Resolved via out-of-band updates on September 14, 2026 — the fix KB differs by version. https://www.proitnw.com/blog/azure-vmware-solution-portable-vcf-october-2026/ https://www.proitnw.com/blog/azure-vmware-solution-portable-vcf-october-2026/ Thu, 10 Sep 2026 00:00:00 GMT Microsoft no longer bundles a VCF licence with new AVS nodes. Pay-as-you-go licence-included deployments must move to portable VCF by October 31, 2026. https://www.proitnw.com/blog/edge-manifest-v2-enterprise-deprecation-2027/ https://www.proitnw.com/blog/edge-manifest-v2-enterprise-deprecation-2027/ Thu, 10 Sep 2026 00:00:00 GMT Edge's MV2 consumer rollout began August 2026 and spares managed devices. Enterprise deprecation is early 2027 — and Microsoft's policy page disagrees. https://www.proitnw.com/blog/nist-drafts-multi-cloud-boundaries-and-csf-ai-prompts/ https://www.proitnw.com/blog/nist-drafts-multi-cloud-boundaries-and-csf-ai-prompts/ Thu, 10 Sep 2026 00:00:00 GMT NIST IR 8613 names the multi-cloud problem as boundary definition. SP 1353 ships AI prompts for CSF work. Both are drafts — comments close October 5 and 15. https://www.proitnw.com/blog/teams-rtmp-in-ports-50118-50119/ https://www.proitnw.com/blog/teams-rtmp-in-ports-50118-50119/ Thu, 10 Sep 2026 00:00:00 GMT Teams RTMP-In is moving to *.rtmpingest.mcr.teams.cloud.microsoft on ports 50118/50119 by end of 2026. The rollout is paused — open the ports anyway. https://www.proitnw.com/blog/entra-sspr-unregistered-contact-info-october-2026/ https://www.proitnw.com/blog/entra-sspr-unregistered-contact-info-october-2026/ Wed, 09 Sep 2026 00:00:00 GMT From October 5, 2026 Entra SSPR accepts only explicitly registered methods. A synced mobilePhone the user never registered stops counting for verification. https://www.proitnw.com/blog/autopilot-device-association-removal-requires-the-device/ https://www.proitnw.com/blog/autopilot-device-association-removal-requires-the-device/ Sat, 05 Sep 2026 00:00:00 GMT Device association writes tenant affinity into UEFI firmware. Deleting the device in Intune does not clear it — that needs elevated PowerShell on the device. https://www.proitnw.com/blog/business-central-29-soap-microsoft-pages-removed/ https://www.proitnw.com/blog/business-central-29-soap-microsoft-pages-removed/ Sat, 05 Sep 2026 00:00:00 GMT Version 29 removes SOAP for Microsoft UI pages and deletes the feature key that re-enables it. Custom extension pages are a different question. https://www.proitnw.com/blog/configuration-manager-2503-end-of-servicing-2026/ https://www.proitnw.com/blog/configuration-manager-2503-end-of-servicing-2026/ Sat, 05 Sep 2026 00:00:00 GMT ConfigMgr 2503 leaves support on September 30, 2026. Only three versions are supported today, and 2409 expired back in June without much noise. https://www.proitnw.com/blog/copilot-gcc-anthropic-outside-fedramp-boundary/ https://www.proitnw.com/blog/copilot-gcc-anthropic-outside-fedramp-boundary/ Sat, 05 Sep 2026 00:00:00 GMT Since July 22, 2026 non-federal GCC tenants can enable Anthropic models in Copilot. Microsoft states this processes Customer Data outside its FedRAMP cloud. https://www.proitnw.com/blog/dynamics-365-release-planner-retires-november-2026/ https://www.proitnw.com/blog/dynamics-365-release-planner-retires-november-2026/ Sat, 05 Sep 2026 00:00:00 GMT Release plans stop being published in September 2026 and Release Planner retires by November 15. Release waves themselves are not going anywhere. https://www.proitnw.com/blog/entra-conditional-access-custom-controls-edit-freeze-2026/ https://www.proitnw.com/blog/entra-conditional-access-custom-controls-edit-freeze-2026/ Sat, 05 Sep 2026 00:00:00 GMT From September 2026 you cannot add or edit Conditional Access custom controls. Editing means delete-and-recreate, so deleting one becomes permanent. https://www.proitnw.com/blog/entra-id-protection-risk-policies-retire-october-2026/ https://www.proitnw.com/blog/entra-id-protection-risk-policies-retire-october-2026/ Sat, 05 Sep 2026 00:00:00 GMT Microsoft retires the legacy Entra ID Protection risk policies on October 1, 2026. Who actually has them, what replaces them, and the role that can't finish it. https://www.proitnw.com/blog/entra-memberof-rule-retires-november-2026/ https://www.proitnw.com/blog/entra-memberof-rule-retires-november-2026/ Sat, 05 Sep 2026 00:00:00 GMT Microsoft retires the memberOf rule operator in Entra dynamic groups, dynamic administrative units and auto-assignment policies on November 3, 2026. Affected configurations stop updating. Nothing errors. https://www.proitnw.com/blog/exchange-auth-certificate-renewal-dedicated-hybrid-app/ https://www.proitnw.com/blog/exchange-auth-certificate-renewal-dedicated-hybrid-app/ Sat, 05 Sep 2026 00:00:00 GMT Renewing the Exchange auth certificate no longer ends on-premises. It also lives in your dedicated Entra hybrid app — and HCW can undo the CVE fix. https://www.proitnw.com/blog/microsoft-whiteboard-azure-boards-deleted-october-2026/ https://www.proitnw.com/blog/microsoft-whiteboard-azure-boards-deleted-october-2026/ Sat, 05 Sep 2026 00:00:00 GMT Azure-based whiteboards go read-only September 25 and are permanently deleted October 16, 2026. Microsoft's own two pages disagree on a third date. https://www.proitnw.com/blog/passkeys-entra-id-default-september-2026/ https://www.proitnw.com/blog/passkeys-entra-id-default-september-2026/ Sat, 05 Sep 2026 00:00:00 GMT Microsoft began enabling passkeys by default in Entra ID on September 1. Users on SMS or voice are auto-enrolled and prompted at their next sign-in. https://www.proitnw.com/blog/september-30-october-1-2026-microsoft-retirement-wall/ https://www.proitnw.com/blog/september-30-october-1-2026-microsoft-retirement-wall/ Sat, 05 Sep 2026 00:00:00 GMT Seven dated Microsoft items land across two consecutive days, and they fail in four different ways. One has already passed its point of no return. https://www.proitnw.com/blog/microsoft-365-outage-august-2026-service-credit/ https://www.proitnw.com/blog/microsoft-365-outage-august-2026-service-credit/ Thu, 03 Sep 2026 00:00:00 GMT Microsoft's PIR: about 5% of Exchange Online was affected, not a full outage. What the SLA pays, the claim trap, and why September 30 matters. https://www.proitnw.com/blog/dotnet-8-lts-ends-november-10-2026/ https://www.proitnw.com/blog/dotnet-8-lts-ends-november-10-2026/ Wed, 26 Aug 2026 00:00:00 GMT Six Microsoft platforms end support on November 10, 2026: .NET 8 LTS, .NET 9, PowerShell 7.4 LTS, 7.5, and Windows 11 23H2 Enterprise and IoT Enterprise. https://www.proitnw.com/blog/microsoft-publisher-retires-october-1-2026/ https://www.proitnw.com/blog/microsoft-publisher-retires-october-1-2026/ Wed, 26 Aug 2026 00:00:00 GMT Microsoft 365 subscribers lose Publisher — and the ability to open their own .pub files — on October 1, 2026. The perpetual version has a different date. https://www.proitnw.com/blog/entra-id-cvss-10-cves-you-cannot-patch/ https://www.proitnw.com/blog/entra-id-cvss-10-cves-you-cannot-patch/ Tue, 25 Aug 2026 00:00:00 GMT Six service-side CVSS 10.0 flaws, including Entra ID RCE CVE-2026-69836. Microsoft already fixed them; you cannot patch them. Your scanner never saw them. https://www.proitnw.com/blog/azure-migrate-classic-appliance-retires-september-2026/ https://www.proitnw.com/blog/azure-migrate-classic-appliance-retires-september-2026/ Wed, 19 Aug 2026 00:00:00 GMT Azure Migrate's classic replication appliance retires 30 September 2026 — and its final recovery point already passed on 31 May 2026. What to do now. https://www.proitnw.com/blog/business-central-on-prem-servicing-is-six-months/ https://www.proitnw.com/blog/business-central-on-prem-servicing-is-six-months/ Wed, 19 Aug 2026 00:00:00 GMT Business Central on-premises versions fall out of servicing every six months. 25.x lapsed in April 2026, 26.x lapses October 13. What that actually costs you. https://www.proitnw.com/blog/co-managed-it-what-it-actually-covers/ https://www.proitnw.com/blog/co-managed-it-what-it-actually-covers/ Wed, 19 Aug 2026 00:00:00 GMT What co-managed IT actually covers — what your team keeps, what a partner takes, who holds escalation, how after-hours works, and when it is the wrong answer. https://www.proitnw.com/blog/construction-field-devices-microsoft-365-migration/ https://www.proitnw.com/blog/construction-field-devices-microsoft-365-migration/ Wed, 19 Aug 2026 00:00:00 GMT The office half of a Microsoft 365 migration is the easy half. What personally-owned phones, shared site devices and re-authentication do to your cutover. https://www.proitnw.com/blog/entra-connect-sync-stops-september-30-2026/ https://www.proitnw.com/blog/entra-connect-sync-stops-september-30-2026/ Wed, 19 Aug 2026 00:00:00 GMT Entra Connect Sync stops entirely on September 30, 2026 below version 2.5.79.0 — and 2.5.79.0 itself retires October 23. The minimum upgrade buys weeks. https://www.proitnw.com/blog/ews-retirement-the-august-deadline-most-tenants-will-miss/ https://www.proitnw.com/blog/ews-retirement-the-august-deadline-most-tenants-will-miss/ Wed, 19 Aug 2026 00:00:00 GMT Microsoft's EWS retirement post now says end of September 2026 for the opt-out, not August — and one of its own Learn pages still says August. What to do now. https://www.proitnw.com/blog/finance-close-cycle-cutover-windows/ https://www.proitnw.com/blog/finance-close-cycle-cutover-windows/ Wed, 19 Aug 2026 00:00:00 GMT In a finance firm the close cycle, not the technology, decides when a migration cuts over. Finding the real windows — and why admin access is audit evidence. https://www.proitnw.com/blog/litigation-hold-blocks-mailbox-migration/ https://www.proitnw.com/blog/litigation-hold-blocks-mailbox-migration/ Wed, 19 Aug 2026 00:00:00 GMT A mailbox on hold does not migrate cleanly. Run the hold census before the wave plan, give held mailboxes their own wave, and leave the call to counsel. https://www.proitnw.com/blog/manufacturing-ot-it-split-server-modernization/ https://www.proitnw.com/blog/manufacturing-ot-it-split-server-modernization/ Wed, 19 Aug 2026 00:00:00 GMT Why the plant floor — not the hypervisor — decides a manufacturing VMware exit or Server 2019 upgrade: cutover windows, pinned OT, gapped segments, sequencing. https://www.proitnw.com/blog/october-13-2026-microsoft-retirement-cluster/ https://www.proitnw.com/blog/october-13-2026-microsoft-retirement-cluster/ Wed, 19 Aug 2026 00:00:00 GMT Seven Microsoft lifecycle items end the same day — and the tables say October 14. A triage list for IT directors: what stops, what only changes phase. https://www.proitnw.com/blog/washington-data-privacy-report-mid-market-target/ https://www.proitnw.com/blog/washington-data-privacy-report-mid-market-target/ Wed, 19 Aug 2026 00:00:00 GMT Washington's AG logged 209 breaches hitting 8M residents in 2025. Days later, research put 73% of ransomware on the mid-market. What it means, and doesn't. https://www.proitnw.com/blog/what-a-2026-infrastructure-refresh-actually-costs/ https://www.proitnw.com/blog/what-a-2026-infrastructure-refresh-actually-costs/ Wed, 19 Aug 2026 00:00:00 GMT A VMware exit is three costs in one budget cycle: the Broadcom VMware price increase, hosts that are mostly memory, and a 5% Microsoft CSP uplift on October 1. https://www.proitnw.com/blog/windows-server-2016-end-of-support-esu-or-modernize/ https://www.proitnw.com/blog/windows-server-2016-end-of-support-esu-or-modernize/ Wed, 19 Aug 2026 00:00:00 GMT Windows Server 2016 support ends January 12, 2027 — and takes System Center 2016, WSUS, IIS 10 and .NET 4.6.2 with it. The dependency map and the ESU math. https://www.proitnw.com/blog/azure-local-vmware-exit-destination/ https://www.proitnw.com/blog/azure-local-vmware-exit-destination/ Tue, 18 Aug 2026 00:00:00 GMT Azure Local is what Microsoft renamed Azure Stack HCI. What it is, how per-core pricing compares to Broadcom, and when it beats plain Hyper-V. https://www.proitnw.com/blog/cisa-kev-2026-patch-then-assume-compromise/ https://www.proitnw.com/blog/cisa-kev-2026-patch-then-assume-compromise/ Tue, 18 Aug 2026 00:00:00 GMT CISA's KEV catalog, tracked through 2026: August and September additions, what the three-day clock tracks, and why patching is the easy half. https://www.proitnw.com/blog/dynamics-gp-eol-2029-business-central-migration/ https://www.proitnw.com/blog/dynamics-gp-eol-2029-business-central-migration/ Tue, 18 Aug 2026 00:00:00 GMT Microsoft retires Dynamics GP at the end of 2029. What the Business Central migration tool moves, what it leaves behind, and what to fix first. https://www.proitnw.com/blog/xcp-ng-vmware-alternative-what-it-costs/ https://www.proitnw.com/blog/xcp-ng-vmware-alternative-what-it-costs/ Tue, 18 Aug 2026 00:00:00 GMT XCP-ng is a Xen-based open-source hypervisor with no license. The platform around it is commercial — and its per-host metric is the real contrast. https://www.proitnw.com/blog/project-server-end-of-support-2026-three-paths/ https://www.proitnw.com/blog/project-server-end-of-support-2026-three-paths/ Wed, 12 Aug 2026 00:00:00 GMT Project Online retires September 30, 2026 — and Microsoft's own 2026 end-of-support roundup omits it. Three real paths off Project Server, dates on each. https://www.proitnw.com/blog/sql-server-2016-eol-july-2026-esu-or-upgrade/ https://www.proitnw.com/blog/sql-server-2016-eol-july-2026-esu-or-upgrade/ Fri, 07 Aug 2026 00:00:00 GMT SQL Server 2016 support ended July 14, 2026. The free-ESU-on-Azure-VM route does not apply to 2016 — what ESUs cost, what they cover, and the four real paths. https://www.proitnw.com/blog/rmm-is-tier-0-questions-for-your-provider/ https://www.proitnw.com/blog/rmm-is-tier-0-questions-for-your-provider/ Mon, 03 Aug 2026 00:00:00 GMT An incomplete patch put an RMM platform on CISA's KEV list. Why remote management tooling is Tier 0, and the security questions to ask your MSP. https://www.proitnw.com/blog/cmmc-phase-2-suspended-2026/ https://www.proitnw.com/blog/cmmc-phase-2-suspended-2026/ Tue, 21 Jul 2026 00:00:00 GMT CMMC Phase 2 was suspended July 13, 2026 — the Nov 10 C3PAO mandate is off, but DFARS 7012 and NIST 800-171 self-attestation still bind. What to do now. https://www.proitnw.com/blog/cyber-insurance-readiness-mid-market-2026/ https://www.proitnw.com/blog/cyber-insurance-readiness-mid-market-2026/ Wed, 15 Jul 2026 00:00:00 GMT Cyber-insurance renewal has quietly become a security-controls audit. What underwriters now verify, where MFA gaps deny claims, and how to get ready. https://www.proitnw.com/blog/intune-regulated-fleets-stig-shadow-ai-2026/ https://www.proitnw.com/blog/intune-regulated-fleets-stig-shadow-ai-2026/ Wed, 15 Jul 2026 00:00:00 GMT Intune shipped three things for regulated mid-market IT in June 2026: STIG audit baselines (GCC High), shadow-AI detection, and a vuln-remediation agent. https://www.proitnw.com/blog/windows-10-esu-extended-2027-not-managed-fleets/ https://www.proitnw.com/blog/windows-10-esu-extended-2027-not-managed-fleets/ Tue, 07 Jul 2026 00:00:00 GMT Microsoft's free consumer Windows 10 ESU runs to Oct 2027 — not for domain-joined, Entra-joined, or Intune-managed fleets. The managed-fleet reality. https://www.proitnw.com/blog/m365-price-increase-july-2026-lock-in-rates/ https://www.proitnw.com/blog/m365-price-increase-july-2026-lock-in-rates/ Thu, 25 Jun 2026 00:00:00 GMT Microsoft 365 prices rose July 1, 2026 (E3 $36→$39, E5 $57→$60). Next up: a 5% CSP software uplift on October 1. What the renewal-boundary rule means. https://www.proitnw.com/blog/exchange-se-modern-servicing-staying-current/ https://www.proitnw.com/blog/exchange-se-modern-servicing-staying-current/ Mon, 15 Jun 2026 00:00:00 GMT You're on Exchange Server SE — now what? Single-version servicing, mandatory CU currency, Server Core, and the SU that disables OWA Light for good. https://www.proitnw.com/blog/it-layoffs-2026-stalled-migrations-senior-bench/ https://www.proitnw.com/blog/it-layoffs-2026-stalled-migrations-senior-bench/ Mon, 15 Jun 2026 00:00:00 GMT Tech cuts hit a stacked 2026 EOL calendar. When a team shrinks, the SharePoint and Exchange deadlines don't move — a senior bench fills the gap. https://www.proitnw.com/blog/exchange-server-se-cu2-coexistence-deadline/ https://www.proitnw.com/blog/exchange-server-se-cu2-coexistence-deadline/ Tue, 26 May 2026 00:00:00 GMT Exchange 2016/2019 hit end of support Oct 14, 2025; the paid ESU bridge ends Oct 2026. SE CU2 blocks coexistence — closing the clean migration window. https://www.proitnw.com/blog/vmware-to-azure-vs-hyperv-500vm-decision-guide/ https://www.proitnw.com/blog/vmware-to-azure-vs-hyperv-500vm-decision-guide/ Fri, 22 May 2026 00:00:00 GMT Six dimensions that decide whether a 500-VM mid-market VMware exit lands in Azure IaaS or Hyper-V on-prem. Two worked scenarios and a decision matrix. https://www.proitnw.com/blog/sharepoint-2019-eol-july-2026-three-paths/ https://www.proitnw.com/blog/sharepoint-2019-eol-july-2026-three-paths/ Wed, 20 May 2026 00:00:00 GMT SharePoint 2016/2019 are past EOL with no ESU. CVE-2026-65660 (patched Aug 11) is now flagged exploited: four CVEs total. Migration paths with cutover math. https://www.proitnw.com/blog/copilot-governance-tenant-sprawl-2026/ https://www.proitnw.com/blog/copilot-governance-tenant-sprawl-2026/ Tue, 19 May 2026 00:00:00 GMT One year after the oversharing warning, mid-market Copilot tenants are leaking HR, finance and legal data. The 90-day fix with Purview DSPM and SAM. https://www.proitnw.com/blog/copilot-hipaa-compliant-baa-healthcare/ https://www.proitnw.com/blog/copilot-hipaa-compliant-baa-healthcare/ Fri, 15 May 2026 00:00:00 GMT Microsoft's BAA covers M365 infrastructure — not your tenant configuration. The four ways Copilot turns a HIPAA-compliant tenant into a violation, and the fix. https://www.proitnw.com/blog/ad-functional-levels-2019-2022-not-stuck/ https://www.proitnw.com/blog/ad-functional-levels-2019-2022-not-stuck/ Wed, 13 May 2026 00:00:00 GMT Microsoft skipped Server 2019 and 2022 functional levels — Server 2016 IS the max for any 2019/2022 forest. What changes with Server 2025 (behavior version 10). https://www.proitnw.com/blog/exchange-esu-expired-april-2026-what-now/ https://www.proitnw.com/blog/exchange-esu-expired-april-2026-what-now/ Wed, 13 May 2026 00:00:00 GMT Exchange ESU Period 1 expired April 14, 2026; Period 2 ends October 2026 — the final bridge. Here's the real deadline and four exit paths to SE or EXO. https://www.proitnw.com/blog/kerberos-rc4-april-2026-enforcement-mid-market-triage/ https://www.proitnw.com/blog/kerberos-rc4-april-2026-enforcement-mid-market-triage/ Wed, 13 May 2026 00:00:00 GMT Microsoft's April 14 patch made DCs assume AES-only unless a service is explicitly configured. The 3-hour triage runbook for finding what broke. https://www.proitnw.com/blog/ad-tier-0-90-days-mid-market/ https://www.proitnw.com/blog/ad-tier-0-90-days-mid-market/ Mon, 11 May 2026 00:00:00 GMT Microsoft's enterprise AD Tier-0 model assumes RedForest, JEA, and PAW infrastructure — overkill for 100–500-user shops. The mid-market edition: four controls, twelve weeks, and the simplifications that actually fit. https://www.proitnw.com/blog/vmware-broadcom-250vm-hyperv-migration-90-days/ https://www.proitnw.com/blog/vmware-broadcom-250vm-hyperv-migration-90-days/ Fri, 08 May 2026 00:00:00 GMT A worked reference scenario for a 250-VM mid-market VMware exit to Hyper-V: the four phases, the cost model, and what sends an estate to Azure instead. https://www.proitnw.com/blog/windows-server-2019-eos-upgrade-options-2026/ https://www.proitnw.com/blog/windows-server-2019-eos-upgrade-options-2026/ Thu, 07 May 2026 00:00:00 GMT Server 2019 mainstream support ended Jan 2024. The honest 2026 upgrade tree: in-place to Server 2025, re-platform, Azure Arc, or Azure IaaS. https://www.proitnw.com/blog/cmmc-l2-pre-assessment-15k-pricing/ https://www.proitnw.com/blog/cmmc-l2-pre-assessment-15k-pricing/ Mon, 04 May 2026 00:00:00 GMT A fixed-fee $15K CMMC Level 2 pre-assessment for a 100–300-user GovCon shop: SSP and POA&M drafts, GCC High eligibility, NIST 800-171 gap register. https://www.proitnw.com/blog/field-notes-ma-2-tenant-merge-60-days/ https://www.proitnw.com/blog/field-notes-ma-2-tenant-merge-60-days/ Tue, 28 Apr 2026 00:00:00 GMT A worked reference scenario for an M&A tenant merge: two M365 tenants, one identity model, 60 days from legal close, and the four things that derail it. https://www.proitnw.com/blog/copilot-readiness-12000-permission-problem/ https://www.proitnw.com/blog/copilot-readiness-12000-permission-problem/ Wed, 22 Apr 2026 00:00:00 GMT Microsoft 365 Copilot reads everything you can see; Varonis found 12,000+ M365 sharing links open to every employee. The oversharing risk, and how to fix it. https://www.proitnw.com/blog/exchange-2019-eol-last-six-months/ https://www.proitnw.com/blog/exchange-2019-eol-last-six-months/ Sun, 15 Mar 2026 00:00:00 GMT Exchange 2016/2019 hit end of support Oct 14, 2025. The paid ESU bridge ends Oct 2026 — final. Four migration paths and the deadline that bites: SE CU2. https://www.proitnw.com/blog/gcc-high-before-cmmc-phase-2/ https://www.proitnw.com/blog/gcc-high-before-cmmc-phase-2/ Sun, 08 Feb 2026 00:00:00 GMT Realistic 6–12 month GCC High migration plan for defense contractors handling CUI — timelines, tenant mistakes, and where to start with CMMC Phase 2 suspended. https://www.proitnw.com/blog/tenant-to-tenant-m365-migration-playbook/ https://www.proitnw.com/blog/tenant-to-tenant-m365-migration-playbook/ Mon, 12 Jan 2026 00:00:00 GMT Tenant-to-tenant M365 migration playbook for M&A, divestitures, and rebrands. Scope, tooling decisions, failure modes, realistic budgets, and timeline math. https://www.proitnw.com/blog/vmware-after-broadcom-exit-options/ https://www.proitnw.com/blog/vmware-after-broadcom-exit-options/ Wed, 05 Nov 2025 00:00:00 GMT VMware Broadcom alternatives compared — Hyper-V, Azure Local, Nutanix, Scale Computing, Proxmox, Azure IaaS. Pricing math, features, and when each one wins.