The reason a Serv-U server outlives the decision to replace it is that every partner, script, and instrument in the field is pointed at it. Files.com keeps the hostname, credentials, and SSH host key those systems already trust, so the endpoint answers exactly as before while the server behind it goes away. You get the same protocols as a managed platform, plus the automation, partner onboarding, and audit trail a transfer server never carried. Used by 4,000+ organizations and #1 in Gartner Peer Insights for managed file transfer.
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SolarWinds Serv-U is file transfer server software you deploy in your own data center. It speaks FTP, FTPS, SFTP, and HTTPS, ships in a standard and an MFT edition, and offers Serv-U Gateway as a separate component for DMZ deployments. As a transfer endpoint it works, which is why so many have been running quietly for a decade or more.
What it leaves you holding is everything around the transfer. The server is yours to host, patch, and keep available. Every external account is created and maintained by hand. Nothing fires when a file arrives, so a person watches for it and does the next step. And because it serves the disk attached to it, the data sits apart from the cloud storage the rest of the business already runs on.
The bill for a bare transfer server is not the license. It is the headcount standing behind it. Files.com serves the same protocols as a managed platform with nothing to patch, and adds automation, partner onboarding, sharing, and a tamper-proof audit log, with an Agent that still reaches the systems staying in your data center.
The reason a Serv-U server outlives the decision to replace it is that everything points at it. Files.com preserves the hostname, the credentials, and the SSH host key your counterparties already trust, so the endpoint they were coded against keeps answering. Waters cut over hundreds of field instruments deployed for up to two decades without touching one of them, which turned what looked like a fleet recall into a migration.
Serv-U runs on a server you own and faces the public internet, so its security is your job, and the public record shows what that job costs. Three Serv-U flaws sit in CISA’s Known Exploited Vulnerabilities catalog: CVE-2021-35211, a remote-code-execution flaw exploited as a zero-day; CVE-2024-28995, an unauthenticated path traversal added in 2024; and CVE-2026-28318, added in June 2026 while under active attack. Files.com is patched by us, so beating that clock stops being something you staff for.
Serv-U moves a file and stops, which is why a person ends up doing everything on either side of it. Files.com runs the rest: automation that fires on arrival, partner onboarding that doesn’t route through IT, and a tamper-proof audit log. Clarkston Capital now runs file exchange across nine institutional platforms with one IT leader, because the platform absorbed the work a person was absorbing.
On Serv-U, every outside account is created and maintained by hand, so onboarding a counterparty is a ticket and offboarding one is a thing somebody has to remember. Files.com provisions from your directory and gives each partner scoped, expiring access, so a departed vendor cannot keep a login nobody revoked.
A Serv-U box serves the disk attached to it. Files.com mounts Amazon S3, Azure Blob Storage, and your on-prem shares as one namespace, so data lands where it is already governed. Calamos Investments kept hundreds of batch jobs running against their existing SMB paths while feeds landed natively in Azure for Databricks to read.
Files.com runs alongside Serv-U for as long as you need, so every counterparty moves on its own schedule and no date has to hold. Aras moved 460 customer companies off a twenty-year-old server with customer work running throughout, and the City of Midland retired its Serv-U server in a day.
“Our previous solution was on-prem, so we had to allow a third-party vendor onto the entirety of our network. What’s great with Files.com is that this isn’t the case. Everything is being handled at the cloud-based level, whether it’s inbound or outbound on our network.”
Health & Life Sciences
Files.com preserved the hostname, credentials, and SSH host key embedded in decades-old instrument software, allowing Waters to retire an inherited server without visiting customer labs.
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Banking & Finance
Files.com preserves the SMB paths behind Calamos’s batch estate, lets vendors cut over one at a time, and sends migrated analytics feeds to Azure without a second copy job.
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Software & Technology
Aras rebuilt its folders, identities, and permissions before syncing the legacy estate, keeping daily exchanges as large as 1.5 TB running through the change.
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Services
Files.com gave clients a browser-based path into the right SharePoint project site, creating an audit trail while Rimkus blocked unknown media.
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What buyers ask most when comparing Files.com to SolarWinds Serv-U.
If your requirement is that the transfer server itself sit inside your perimeter, on hardware you control, Serv-U does that and Files.com does not. Files.com is a cloud platform, and the Agent reaches into your data center rather than living there.
For everyone else the question is what the server is costing you: the patching, the hand-built accounts, the person who watches for a file and does the next step, and the migration nobody wants to schedule because every partner points at that hostname. Files.com takes the hostname with you, then takes the rest of it off your team.
The same protocols your partners already use, with the hostname and host key they already trust, plus automation, partner onboarding, and a tamper-proof audit trail. Nothing for you to patch.
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