Netcup FAQ — Core Knowledge Base & Practical Answers
Coupons & Checkout Rules
Q:How do Netcup coupons work? Do I need to select products before entering a code?
Netcup RS, VPS, and Webhosting promo vouchers directly represent the specific discounted products themselves! You do not need to add any product to your cart beforehand. Simply enter the code into an empty cart or click our direct link (with ?gutschein=CODE), and Netcup automatically adds the pre-configured product with a 12-month contract, annual billing, €0 setup fees, and free initial months applied. Only the €5 welcome voucher is a cash deduction voucher that requires pairing with a product over €5 in your cart.
Q:What are the restrictions on the €5 Welcome Voucher?
The €5 voucher (code: 36nc...) is an unconditional cash deduction strictly valid for first-time orders. Unlike RS/VPS promo codes that instantiate products directly, the €5 voucher must be paired with an existing product over €5 in your cart. It applies to all Root Servers, VPS, and Webhosting plans, but cannot be used for standalone domains or combined with other vouchers.
Q:What should I do if a coupon says "Already redeemed" (Gutschein bereits eingelöst)?
Netcup VPS and Root Server free-month promotional codes are strictly single-use ("one code per redemption"). Our discount hub maintains a live inventory pool. If an individual code is claimed, simply copy the next active code in the table or refresh the page for a newly fetched code.
Q:Why does Netcup say "A voucher can only be redeemed every 15 seconds" or "Already a voucher in cart"?
This is Netcup's automated anti-abuse security rate limit. If you see the 15-second message, simply wait 15 seconds before clicking confirm again. If you see "Already a voucher in cart", note that Netcup permits only ONE voucher per order. Delete the existing coupon by clicking the trash icon in your cart before applying a new one.
Taxes, Billing & Payment Traps
Q:How do Non-EU and international customers get 0% VAT permanent tax exemption?
Netcup is legally exempt from charging 19% German VAT to customers residing outside the European Union. During registration or checkout, select China or your non-EU home country as your billing address. The 19% VAT is deducted immediately, saving you ~16% off EU retail prices.
Q:How to avoid PayPal's 4.5% hidden currency conversion markup?
Netcup invoices in Euros (EUR). When checking out via PayPal, click "Conversion options" on the review screen and switch to "Bill me in the currency listed on the seller's invoice" (convert using your credit card issuer exchange rate). This prevents PayPal's 4% to 5% inflated conversion spread.
Q:How does Netcup contract termination (Kündigung) work? How to avoid Infoscore debt collection?
Under the German Civil Code (BGB), web hosting is a formal commercial lease. You must NEVER simply abandon a server or cancel your card, as invoices will accumulate and eventually be forwarded to debt collection (Infoscore). Always log into CCP -> Products -> Kündigung at least 31 days before the contract expiration date to formally terminate.
Q:What are Netcup's billing cycles and contract terms? How does VPS hourly billing work?
Netcup supports 1-month and 12-month billing periods (Abrechnungsperiode). For contract terms (Mindestvertragslaufzeit), Cloud VPS offers both 0-month (hourly billing) and 12-month commitments: with a 0-month term, you pay 1 month upfront plus a setup fee (e.g. €4.20), but usage is metered hourly—when you terminate the instance in CCP, Netcup refunds the unused balance of the month. A 12-month contract waives the setup fee, lowers the monthly rate, and qualifies for coupon discounts. Root Servers offer 1-month or 12-month terms.
Hardware, Architecture & System Setup
Q:What is the real architectural difference between Root Server (RS) and VPS?
Root Servers (RS G12) feature dedicated AMD EPYC 9645 (Zen 5c, 3nm) physical processor cores with 0% CPU steal, making them immune to noisy neighbors during long compilation or heavy database workloads. Cloud VPS instances use high-performance shared AMD Genoa cores, ideal for web apps and microservices at lower cost.
Q:Can I install custom Windows OS on Netcup? How to fix the off-subnet gateway routing issue?
Yes. You can mount any custom Windows ISO in the SCP (Server Control Panel) under Media -> DVD drive, and load VirtIO drivers (viostor and NetKVM). If Windows has no internet after reboot, it is because Netcup's gateway is on a different subnet. Fix it in CMD via: route add YOUR_GATEWAY_IP mask 255.255.255.255 0.0.0.0 if 1 -p followed by route add 0.0.0.0 mask 0.0.0.0 YOUR_GATEWAY_IP -p.
Q:Does Netcup block outbound Port 25, and can I host mail servers?
No. Unlike most cloud providers, Netcup leaves all network ports—including outbound TCP Port 25—completely open by default. You do not need to submit any support tickets or wait for verification to send email. You can configure reverse DNS (rDNS/PTR) directly in the SCP Network tab.
Q:Can I transfer running servers to another Netcup account (PUSH transfer)? How much does it cost?
Yes, and it is 100% free (0 € administrative fee). In CCP, navigate to Products -> select your server -> Ownership Transfer (Besitzwechsel) and generate a transfer authorization code (Transfer-Code). The recipient enters this code in their own CCP to claim the server instantly with zero downtime, retaining the IP address, disk data, and receiving customer's VAT status.
Q:What are the network speeds and Looking Glass testing endpoints?
All G12 Root Servers and VPS include 2.5 Gbps burstable uplink bandwidth. Test pings and download speeds across Nuremberg, Vienna, Amsterdam, Manassas (US), and Singapore on our Looking Glass tool at /en/looking-glass or official lookingglass.netcup.net.
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