Problems with U2's official website were being "ironed out" last night ahead of the sale on the site from today of tickets for the band's Croke Park concert.
A statement on the website last night admitted subscribers in different countries had experienced difficulties buying tickets but said these were being ironed out.
The band came in for sharp criticism after fans, who had paid an extra €31/$40 for website access to priority tickets for their World Tour concerts in the US and Europe, failed to secure those preferential seats through U2.com.
Ticket touts appeared luckiest as hundreds of the priority tickets went on sale on the eBay website for well above face value. Legal advisers to the rock band are reported to have contacted the online auction company about the sale of tickets above face-value price.
The U2 website stated that "we are very aware that some people seem to have abused the system to scalp on eBay or similar sites. We are currently looking into the possibility of identifying these people and withdrawing their tickets."
Irish members of U2.com will be able to buy up to four tickets today and will have a special PIN number which becomes invalid after one use.
Main sales for the June 24th Croke Park gig begin at 8 a.m. on Friday and according to Irish promoters MCD it will be a "lottery", when fans can buy up to six tickets. Mr Justin Green of MCD said tickets would go on sale simultaneously online, by phone and from retail outlets on a "first come, first served" basis at €59.50, €70 and €80 including booking fee.