.de domains transfer does not work. Every .de domain is marked as Not Available by whois.
Whois server assigned to .de TLD is configured incorrectly. Only DENIC whois server should be used for .de domains registration or transfer.
Please add DENIC as the new whois server under
Top > Service Director > Domain Manager > Setup > Whois Servers > New Whois Server and make its parameters as follows:
Whois server -- whois.denic.de Domain prefix -- "-T dn,ace" (without quotes) Use the "domain not available" pattern For Transfer - "not found in database" (without quotes)
Top > Service Director > Domain Manager > Setup > TLDs > .de > Edit whois servers, used for the current TLD and make DENIC the only whois server for .de TLD.